 
                                            
                Study for Construction No. 276,
                        2013. Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 46,
                        2011.  Acrylic on paper, 12 x 9 inches.
                 
                                            
                Study for Construction No. 55,
                        2011.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 74a,
                        2011.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 74b,
                        2011.  Pencil and acrylic on paper, 12 x 9 inches.
                 
                                            
                Study for Construction No. 75,
                        2011.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 75B,
                        2011.  Acrylic on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 129,
                        2011.  Pen on paper, 3½ x 3½ inches.
                 
                                            
                Study for Construction No. 133,
                        2011.  Pen on paper, 3⅛ x 3½ inches.
                 
                                            
                Study for Construction No. 134,
                        2011.  Pen on paper, 3⅛ x 3½ inches.
                 
                                            
                Study for Construction No. 135,
                        2011.  Collage, 6 x 6 inches.
                 
                                            
                Study for Construction No. 136,
                        2011.  Collage, 6 x 6 inches.
                 
                                            
                Study for Construction No. 190,
                        2011.  Pencil and pen on paper, 6 x 6 inches.
                 
                                            
                Study for Construction No. 191,
                        2011.  Pencil and pen on paper, 6 x 6 inches.
                 
                                            
                Study for Construction No. 192,
                        2011.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                3²,
                        2010.  Pen on paper, 12 x 9 inches.
                 
                                            
                4²,
                        2010.  Pen on paper, 12 x 9 inches.
                 
                                            
                5²,
                        2010.  Pen on paper, 12 x 9 inches.
                 
                                            
                6²,
                        2010.  Pen on paper, 12 x 9 inches.
                 
                                            
                Study for Construction No. 14,
                        2010.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 15,
                        2010.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 16,
                        2010.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 18,
                        2010.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 19,
                        2010.  Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 47,
                        2010.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 48,
                        2010.  Pencil and acrylic on paper, 12 x 9 inches.
                 
                                            
                Study for Construction No. 76,
                        2010. Acrylic on paper, 12 x 9 inches.
                 
                                            
                Study for Construction No. 54,
                        2009.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 56,
                        2009.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 57,
                        2009.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 58,
                        2009, Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 266,
                        2009.  Charcoal and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 269,
                        2009.  Charcoal and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 277,
                        2009.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 9,
                        2008.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 11,
                        2008.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 12,
                        2008.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 13,
                        2008.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 36,
                        2008.  Charcoal on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 38,
                        2008.  Pencil, acrylic, and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 49,
                        2008.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 50,
                        2008.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 51,
                        2008.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 52,
                        2008.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 53,
                        2008.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 71,
                        2008.  Pencil, acrylic, and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 73,
                        2008.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 77,
                        2008, Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 78,
                        2008.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 114,
                        2008.  Pencil on paper, 11⅝ x 8¼ inches.
                 
                                            
                Study for Construction No. 115,
                        2008.  Pencil and pen on paper, 11⅝ x 8½ inches.
                 
                                            
                Study for Construction No. 116,
                        2008.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 117,
                        2008.  Pencil and pen on paper, 11⅝ x 9 inches.
                 
                                            
                Study for Construction No. 118,
                        2008.  Pencil and pen on paper, 11½  x 8½  inches.
                 
                                            
                Study for Construction No. 137,
                        2008.  Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 138,
                        2008. Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 139,
                        2008.  Charcoal and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 140,
                        2008.  Charcoal on paper, 8 x 6 inches.
                 
                                            
                Studies for Construction
                        2007. Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 17,
                        2007.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 119,
                        2007.  Pencil and pen on paper, 11⅝ x 9 inches.
                 
                                            
                Study for Construction No. 120,
                        2007.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 121,
                        2007. Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 122,
                        2007.  Pencil on paper, 7¼ x 11¾ inches.
                 
                                            
                Study for Construction No. 124,
                        2007.  Pencil on paper, 13½  x 11 inches.
                 
                                            
                Study for Construction No. 125,
                        2007.  Pencil and pen on paper, 11¾ x 8½ inches.
                 
                                            
                Study for Construction No. 126,
                        2007.  Pencil and pen on paper, 6 x 6 inches.
                 
                                            
                Study for Construction No. 127,
                        2007.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 128,
                        2007.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 153,
                        2007.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 164,
                        2007.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 165,
                        2007.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 166,
                        2007.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 167,
                        2007.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 194,
                        2007.  Charcoal and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 197,
                        2007. Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 204,
                        2007.  Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 215,
                        2007. Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 238,
                        2007.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 287,
                        2007. Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 290,
                        2007. Pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 306,
                        2007.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 1,
                        2006.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 2,
                        2006.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 3,
                        2006.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 4,
                        2006.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 5,
                        2006.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 6,
                        2006.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 7,
                        2006.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 8,
                        2006.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No.10,
                        2006.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 109,
                        2006.  Charcoal on paper, 11⅝ x 8½ inches.
                 
                                            
                Study for Construction No. 110,
                        2006.  Pencil on paper, 11⅝ x 8¼ inches.
                 
                                            
                Study for Construction No. 111,
                        2006.  Pencil and pen on paper, 11⅝ x 8¼ inches.
                 
                                            
                Study for Construction No. 112,
                        2006.  Pencil and pen on paper, 11⅝ x 8¼ inches.
                 
                                            
                Study for Construction No. 113,
                        2006.  Pencil on paper, 11⅝ x 8¼ inches.
                 
                                            
                Study for Construction No. 142,
                        2006.  Charcoal on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 143,
                        2006.  Charcoal on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 144,
                        2006.  Charcoal on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 145,
                        2006.  Charcoal on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No.146,
                        2006.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 186,
                        2006. Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 193,
                        2006.  Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 196,
                        2006.  Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 214,
                        2006.  Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 20,
                        2005.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 21,
                        2005.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 22,
                        2005.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 23,
                        2005.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 69,
                        2005.  Pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 70,
                        2005.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 72,
                        2005.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 80,
                        2005.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 147,
                        2005.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 148,
                        2005. Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 149,
                        2005.  Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 150,
                        2005.  Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 151,
                        2005.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 178,
                        2005.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 179,
                        2005.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 180,
                        2005.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 181,
                        2005.  Pencil on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 182,
                        2005.  Charcoal on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 209,
                        2005.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 268,
                        2005.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 30,
                        2004.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 31,
                        2004.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 32,
                        2004.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 33,
                        2004.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 34,
                        2004.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 40,
                        2004.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 41,
                        2004.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 104,
                        2004.  Pencil on paper, 11⅝ x 8¼ inches.
                 
                                            
                Study for Construction No. 105,
                        2004.  Pencil on paper, 11⅝ x 8¼ inches.
                 
                                            
                Study for Construction No. 106,
                        2004.  Pencil and pen on paper, 11½  x 8 ⅝
                 
                                            
                Study for Construction No. 107,
                        2004.  Pencil on paper, 11⅝ x 8½ inches.
                 
                                            
                Study for Construction No. 108,
                        2004.  Charcoal on paper, 11⅝ x 8¼  inches.
                 
                                            
                Study for Construction No. 169,
                        2004.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 170,
                        2004.  Pencil on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 171,
                        2004.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 172,
                        2004.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 217,
                        2004.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 222,
                        2004.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 233,
                        2004.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 234,
                        2004.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 298,
                        2004. Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 301,
                        2004.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 304,
                        2004, Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 305
                        2004. Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 307,
                        2004. Pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 308,
                        2004.  Ink on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 309,
                        2004.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 310,
                        2004.  Pen and ink on paper, 8½ x 6 inches.
                 
                                            
                Study for Construction No. 311,
                        2004. Pen and ink on paper, 8½ x 6 inches.
                 
                                            
                Study for Construction No. 312,
                        2004.  Pen and ink on paper, 8½ x 6 inches.
                 
                                            
                Study for Construction No. 315,
                        2004.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 26,
                        2003.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 27,
                        2003.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 28,
                        2003.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 64,
                        2003.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 65,
                        2003.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 66,
                        2003.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 67,
                        2003.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No.68,
                        2003.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 152,
                        2003.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 154,
                        2003.  Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 155,
                        2003.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 183,
                        2003.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 184,
                        2003.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 185,
                        2003.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 187,
                        2003.  Pencil on paper, 11¾ x 8¼ inches.
                 
                                            
                Study for Construction No. 201,
                        2003.  Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 206,
                        2003.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 228,
                        2003.  Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 229,
                        2003.  Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 231,
                        2003.  Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 232,
                        2003.  Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 264,
                        2003.  Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 265,
                        2003.  Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 275,
                        2003.  Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 293,
                        2003. Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 35,
                        2002.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 37,
                        2002.  Pencil on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 39,
                        2002.  Pencil on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 59,
                        2002.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 60,
                        2002.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 61,
                        2002.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 62,
                        2002.  Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 63,
                        2002.  Charcoal on paper, 8 x  5 inches.
                 
                                            
                Study for Construction No. 157,
                        2002.  Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 158,
                        2002.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 159,
                        2002.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 160,
                        2002.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 168,
                        2002. Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 203,
                        2002.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 227,
                        2002.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 291,
                        2002.  Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 297,
                        2002.  Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 79,
                        2001.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 81,
                        2001.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 82,
                        2001.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 83,
                        2001.  Pencil and pen on paper, 8½  x 4⅞
                 
                                            
                Study for Construction No. 161,
                        2001.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 173,
                        2001.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 175,
                        2001.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 176,
                        2001.  Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 177,
                        2001.  Charcoal on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 174,
                        2001.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 292,
                        2001.  Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 302,
                        2001.  Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 84,
                        2000.  Pencil on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 85,
                        2000.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 86,
                        2000.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 87,
                        2000.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 88,
                        2000.  Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 163,
                        2000.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 188,
                        2000.  Pencil on paper, 11¾ x 8¼ inches.
                 
                                            
                Study for Construction No. 189,
                        2000. Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 271,
                        2000.  Charcoal on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 281,
                        2000. Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 284,
                        2000. Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 286,
                        2000. Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 295,
                        2000. Charcoal on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 296,
                        2000. Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 89,
                        1999.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 90,
                        1999. Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 91,
                        1999.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 92,
                        1999.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 93,
                        1999.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 278,
                        1999. Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 279,
                        1999. Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 280,
                        1999. Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 282,
                        1999. Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 283,
                        1999. Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 289,
                        1999. Pencil and pen on paper, 6 x 8 inches.
                 
                                            
                Study for Construction No. 294,
                        1999.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 94,
                        1998.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 95,
                        1998.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 96,
                        1998.  Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 98,
                        1998.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Constructon No. 285,
                        1998. Charcoal on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 99,
                        1997.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 100,
                        1997.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 101,
                        1997.  Pencil and pen on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 102,
                        1997.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 103,
                        1997.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 123,
                        1997.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 272,
                        1997.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 273,
                        1997.  Pencil on paper, 8 x 6 inches.
                 
                                            
                Study for Construction No. 274,
                        1997.  Charcoal on paper, 8 x 6 inches.