Minnesota Judicial Building Competition, St. Paul, Minnesota, 1984-1985 (unbuilt project)

[Conceptual Sketches], untitled. Ink sketches on tracing paper, 12 x 21 1/4 inches [from photographic copy by Lance Burgharrdt]

Minnesota Judicial Building Competition, St. Paul, Minnesota, 1984-1985 (unbuilt project)

[Conceptual Sketch], untitled. Ink sketch on tracing paper, 18 x 25 1/4 inches [from photographic copy by Lance Burgharrdt]

Minnesota Judicial Building Competition, St. Paul, Minnesota, 1984-1985 (unbuilt project)

[Conceptual Sketch], untitled. Ink sketch on tracing paper, 12 x 16 1/2 inches [from photographic copy by Lance Burgharrdt]

Minnesota Judicial Building Competition, St. Paul, Minnesota, 1984-1985 (unbuilt project)

[Conceptual Sketch], untitled. Blue ink and red pencil sketch on tracing paper, 12x25 inches [from photographic copy by Lance Burgharrdt]

Minnesota Judicial Building Competition, St. Paul, Minnesota, 1984-1985 (unbuilt project)

[Conceptual Sketch], untitled. Blue ink and red pencil sketch on tracing paper, 12x26 inches [from photographic copy by Lance Burgharrdt]

Minnesota Judicial Building Competition, St. Paul, Minnesota, 1984-1985 (unbuilt project)

[Conceptual Sketch of Elevation], untitled. Ink sketch on tracing paper, 12 x 13 1/2 inches [from photographic copy by Lance Burgharrdt]

Minnesota Judicial Building Competition, St. Paul, Minnesota, 1984-1985 (unbuilt project)

[Conceptual Sketches of Elevation], untitled. Ink sketches on tracing paper, 12x20 inches [from photographic copy by Lance Burgharrdt]

U. S. Embassy Office Building, Helsinki, Finland, 1975 (unbuilt project)

[Conceptual Sketch of Site Plan], untitled. Green and black ink sketch on tracing paper, 18x27 inches [from photographic copy by Lance Burgharrdt]

U. S. Embassy Office Building, Helsinki, Finland, 1975 (unbuilt project)

[Roof Study], untitled. Ink and blue pencil sketches on tracing paper, 15 1/2 x 18 inches [from photographic copy by Lance Burgharrdt]

U. S. Embassy Office Building, Helsinki, Finland, 1975 (unbuilt project)

[Roof Study], untitled. Ink sketches on tracing paper, 17x18 inches [from photographic copy by Lance Burgharrdt]

U. S. Embassy Office Building, Helsinki, Finland, 1975 (unbuilt project)

Embassy Window [Studies] (#49). Blue ink sketches on notebook paper, 8 1/2 x 11 inches [from photographic copy by Lance Burgharrdt]

U. S. Embassy Office Building, Helsinki, Finland, 1975 (unbuilt project)

Embassy Window Studies. Blue ink sketches on notebook paper, 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]