Duke University Law School Addition, Durham, North Carolina, 1988-1995

[Conceptual Sketches of Cupola], untitled. Ink sketches with gray marker coloring on tracing paper, 14x12 inches [from photographic copy by Lance Burgharrdt]

Oberlin College Conservatory of Music Library Addition, Oberlin, Ohio, 1986-1988

[Conceptual Sketches], untitled. Ink sketches on graph paper, 8 1/2 x 11 inches [from photographic copy by Lance Burgharrdt]

Oberlin College Conservatory of Music Library Addition, Oberlin, Ohio, 1986-1988

[Conceptual Sketches], untitled. Ink sketches on tracing paper with green marker coloring, 8 1/2 x 11 inches [from photographic copy by Lance Burgharrdt]

University of California Central Library Addition, San Diego, California, 1987-1993

[Early Conceptual Sketches], untitled. Ink sketches on tracing paper, 18 x 22 1/4 inches [from photographic copy by Lance Burgharrdt]

University of California Central Library Addition, San Diego, California, 1987-1993

[Early Conceptual Sketches], untitled. Blue ink sketches on tracing paper, 12x29 inches [from photographic copy by Lance Burgharrdt]

University of California Central Library Addition, San Diego, California, 1987-1993

[Early Conceptual Sketches], untitled. Green ink sketches on tracing paper, initialed, 18 x 28 1/2 inches [from photographic copy by Lance Burgharrdt]

Cornell University Uris Library Addition, Ithaca, New York, 1980-1982

[Conceptual Sketch of Early Site Plan], untitled. Green ink sketch on tracing paper, 12x23 inches [from photographic copy by Lance Burgharrdt]

Cornell University Uris Library Addition, Ithaca, New York, 1980-1982

[Early Conceptual Sketch], untitled. Blue ink sketch on tracing paper, 12x18 inches [from photographic copy by Lance Burgharrdt]

Oberlin College Conservatory of Music Library Addition, Oberlin, Ohio, 1986-1988

[Conceptual Sketch], untitled. Ink sketch on tracing paper, 12x22 inches [from photographic copy by Lance Burgharrdt]

Baldwin Public Library Addition, Birmingham, Michigan, 1980-1983

[Conceptual Sketch], untitled. Ink sketch on steno pad paper, 6x9 inches [from photographic copy by Lance Burgharrdt]

Baldwin Public Library Addition, Birmingham, Michigan, 1980-1983

[Conceptual Sketches], untitled. Ink sketches on steno pad paper, 6x9 inches [from photographic copy by Lance Burgharrdt]

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

[Conceptual Sketch], untitled. Ink and colored marker sketch on tracing paper, 12 x 24 1/4 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]

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

[Conceptual Sketch], untitled. Ink sketch with yellow marker coloring on tracing paper, initialed, 12x24 inches [from photographic copy by Lance Burgharrdt]