"Dialog 01 (rough)" india ink on vellum, 1992
"Dialog 02 (rough)" india ink on vellum, 1992
"Dialog 01-01" india ink on vellum, 1993
"Dialog 02-01" india ink on vellum, 1993
"Dialog 03" india ink on vellum, 1993
"Dialog 04" india ink on vellum, 1993
"Dialog 05" india ink on vellum, 1993
"9 Square" india ink on vellum, 1994
"Volume - Study 04" india ink on vellum, 1994
"Transformation Plan 01" india ink on vellum, 1994
"Transformation Plan 02" india ink on vellum, 1994
"Transformation Axonometric & Sections" india ink on vellum, 1994