IBM Corporate Computer Center, Sterling Forest, New York, 1970-1972

[Conceptual Sketches], untitled. Ink sketches on tracing paper, initialed, 12 x 25 1/2 inches [from photographic copy by Lance Burgharrdt]

Glen Oaks Community College, Centreville, Michigan, 1966-1971

GB Sketch #26 [of Site Plan]. Black ink and colored pencil sketch on tracing paper, 12 x 24 1/2 inches [from photographic copy by Lance Burgharrdt]

Kemper Museum of Contemporary Art & Design, Kansas City Art Institute, Kansas City, Missouri, 1991-1994

[Early Conceptual Sketches], untitled. Ink sketches on reverse of "La Valencia Hotel" memo pad paper, 3 1/2 x 6 1/2 inches [from photographic copy by Lance Burgharrdt]

Furniture, 1960s

[Elevations and Plan of Leather and Steel Lobby Seating],untitled. Colored pencil drawings on two sheets of tracing paper, 9 3/4 x 21 1/4 & 8 1/2 x 21 1/2 inches [from photographic copy by Lance Burgharrdt]

Sports and Civic Stadium, Venice, Italy 1989-1992 (unbuilt project)

[Facade Study], untitled. Ink sketch on tracing paper, 12 x 18 1/2 inches [from photographic copy by Lance Burgharrdt]

Sports and Civic Stadium, Venice, Italy 1989-1992 (unbuilt project)

[Facade Study], untitled. Ink sketches on tracing paper with gray and blue marker coloring, 12 x 15 1/2 inches [from photographic copy by Lance Burgharrdt]

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

[Site Plan Study], untitled. Blue ink sketch on tracing paper with green, brown and purple marker coloring, 12 x 30 1/2 inches [from photographic copy by Lance Burgharrdt]

Church of the Servant, Kentwood, Michigan, 1988-1994

[Conceptual Sketch of Elevation], untitled. Ink sketch on tracing paper with marker coloring, 12 x 29 1/2 inches [from photographic copy by Lance Burgharrdt]

Woodbranch Energy Plaza, Houston, Texas, 1982 (unbuilt project)

[Early Conceptual Sketch], untitled. Brown ink sketch on shirt cardboard, 8 x 12 1/2 inches [from photographic copy by Lance Burgharrdt]

State of Wisconsin Office Building, Green Bay, Wisconsin, 1981-1983

[Conceptual Sketches], untitled. Blue ink sketches on tracing paper, 21 x 24 1/2 inches [from photographic copy by Lance Burgharrdt]

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

[Study Sketch], untitled. Brown ink drawing on tracing paper, 18 x 17 1/2 inches [from photographic copy by Lance Burgharrdt]

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

[Early Conceptual Sketches], untitled. Ink sketches on five sheets of tracing paper, 5 1/4 x 6 to 8 1/2 x 9 1/2 inches [from photographic copy by Lance Burgharrdt]

Grasis Residence, Vail, Colorado, 1990-1994

[Conceptual Sketch], untitled. Ink sketch on tracing paper with blue, purple and yellow marker coloring, 18 x 20 1/2 inches [from photographic copy by Lance Burgharrdt]

University of Utah J. Willard Marriott Library Addition, Salt Lake City, 1992-1996

[Conceptual Sketch of Site Plan], untitled. Ink sketch with marker coloring on tracing paper, 12 x 25 1/2 inches [from photographic copy by Lance Burgharrdt]

University of Utah J. Willard Marriott Library Addition, Salt Lake City, 1992-1996

[Conceptual Sketch], untitled. Ink sketch on tracing paper, 12 x 22 1/2 inches [from photographic copy by Lance Burgharrdt]