Library of Michigan, Martha Griffiths Rare Book Room, Lansing, Michigan, 1993 (unbuilt project)

[Conceptual Sketch], untitled. Ink sketch on tracing paper, 12 x 17 3/4 inches [from photographic copy by Lance Burgharrdt]

Library of Michigan, Martha Griffiths Rare Book Room, Lansing, Michigan, 1993 (unbuilt project)

[Conceptual Sketch], untitled. Ink sketch with brown marker coloring on tracing paper, 18 x 21 1/4 inches [from photographic copy by Lance Burgharrdt]

Pompeo Leoni Private Residential Project, Milan, Italy, 1992-1994 (unbuilt project)

[Conceptual Sketch of Elevation], untitled. Ink sketch with pencil coloring on tracing paper, initialed, 14 3/4 x 18 inches [from photographic copy by Lance Burgharrdt]

Pompeo Leoni Private Residential Project, Milan, Italy, 1992-1994 (unbuilt project)

[Conceptual Sketch of Roof Development], untitled. Green ink sketch on electrostatic print, initialed, 30x42 inches [from photographic copy by Lance Burgharrdt]

Tougaloo College Master Plan, Tougaloo, Mississippi 1965-1971 (unbuilt project)

[Conceptual Sketches], untitled. Digital image only of black ink sketches on vellum and tracing paper

Tougaloo College Master Plan, Tougaloo, Mississippi 1965-1971 (unbuilt project)

[Conceptual Sketches], untitled. Digital image only of black ink sketches on shirt cardboard

Tougaloo College Master Plan, Tougaloo, Mississippi 1965-1971 (unbuilt project)

[Conceptual Sketches], untitled. Digital image only of blue ink sketches on vellum

University of Turin, Humanities Faculties Building, Turin, Italy 1989-1990 (unbuilt project)

[Conceptual Site Plan Sketch], untitled. Black ink sketch on tracing paper with green, brown and purple marker coloring, 18 x 22 3/4 inches

University of Turin, Humanities Faculties Building, Turin, Italy 1989-1990 (unbuilt project)

[Early Site Plan Study], untitled. Green and black ink drawing on tracing paper with colored pencil and marker coloring, initialed, 18 x 33 1/2 inches

University of Turin, Humanities Faculties Building, Turin, Italy 1989-1990 (unbuilt project)

[Conceptual Sketch of Tower I], untitled. Blue ink sketch on tracing paper, initialed, 18 x 21 1/4 inches

University of Turin, Humanities Faculties Building, Turin, Italy 1989-1990 (unbuilt project)

[Conceptual Sketch of Tower I], untitled. Blue ink sketch on tracing paper, 18 x 22 3/4 inches

University of Turin, Humanities Faculties Building, Turin, Italy 1989-1990 (unbuilt project)

[Conceptual Sketches of Tower I], untitled. Digital image only of blue ink sketches on tracing paper, initialed,

University of Turin, Humanities Faculties Building, Turin, Italy 1989-1990 (unbuilt project)

[Schematic Design Drawing of Tower I Elevation], untitled. Red pencil drawing on vellum, 14x24 inches

University of Turin, Humanities Faculties Building, Turin, Italy 1989-1990 (unbuilt project)

[Facade Study of Three-Story Academic Wing], untitled. Black ink sketch on tracing paper, initialed, 12x22 inches

University of Turin, Humanities Faculties Building, Turin, Italy 1989-1990 (unbuilt project)

[Facade Study of Three-Story Adacemic Wing], untitled. Digital image only of black ink sketch on tracing paper