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 sketch on tracing paper, 18 x 29 3/4 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 with gray and blue marker coloring, initialed, 12x21 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 with gray and blue marker coloring, 8 1/2 x 19 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 marker coloring, 12 x 16 3/4 inches [from photographic copy by Lance Burgharrdt]

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

[Schematic Design Drawing of Elevation], untitled. Electrostatic print, 8 1/2 x 11 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 blue marker coloring, 10 3/4 x 12 inches [from photographic copy by Lance Burgharrdt]

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

[Facade Study], untitled. Green and black ink sketches on tracing paper with green and gray marker coloring, 12 x 11 1/4 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]

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

[Schematic Design Drawing of Elevations], untitled. Ink and red pencil drawing on blue-line print, initialed, 14 1/4 x 42 inches [from photographic copy by Lance Burgharrdt]

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

[Roof Study], untitled. Ink sketch on tracing paper with purple marker coloring, 18 x 20 3/4 inches [from photographic copy by Lance Burgharrdt]

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

[Roof Study], untitled. Ink sketch on tracing paper with purple marker coloring, 18 x 22 3/4 inches [from photographic copy by Lance Burgharrdt]

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

[Roof Study], untitled. Ink and red crayon sketch on tracing paper, 18x19 inches [from photographic copy by Lance Burgharrdt]

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

[Roof Study], untitled. Ink sketch on notebook paper, 8 1/2 x 11 inches [from photographic copy by Lance Burgharrdt]

Kaufman Residence, Muskegon, Michigan, 1962 (unbuilt project)

[Early Conceptual Sketch], untitled. Blue ink sketch on yellow loose-leaf paper, 8 1/2 x 11 inches [from photographic copy by Lance Burgharrdt]