Minnesota History Center Competition, St. Paul, Minnesota, 1984-1986 (unbuilt project)

[Early Conceptual Sketch of Site Plan], untitled. Blue ink sketch on tracing paper, initialed, 12 x 28 1/2 inches [from photographic copy by Lance Burgharrdt]

Minnesota History Center Competition, St. Paul, Minnesota, 1984-1986 (unbuilt project)

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

Minnesota History Center Competition, St. Paul, Minnesota, 1984-1986 (unbuilt project)

[Conceptual Sketch], untitled. Blue ink sketch on tracing paper, 12 x 18 1/2 inches [from photographic copy by Lance Burgharrdt]

Minnesota History Center Competition, St. Paul, Minnesota, 1984-1986 (unbuilt project)

[Conceptual Sketch], untitled. Blue ink sketch on tracing paper, 12x13 inches [from photographic copy by Lance Burgharrdt]

Minnesota History Center Competition, St. Paul, Minnesota, 1984-1986 (unbuilt project)

[Conceptual Sketch], untitled. Blue and green ink sketch with yellow and green marker coloring on tracing paper, 18 x 20 1/4 inches [from photographic copy by Lance Burgharrdt]

Minnesota History Center Competition, St. Paul, Minnesota, 1984-1986 (unbuilt project)

[Conceptual Sketch of Structure], untitled. Blue ink sketch on tracing paper with notations, initialed, 12x16 inches [from photographic copy by Lance Burgharrdt]

Minnesota History Center Competition, St. Paul, Minnesota, 1984-1986 (unbuilt project)

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

Minnesota History Center Competition, St. Paul, Minnesota, 1984-1986 (unbuilt project)

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

Minnesota History Center Competition, St. Paul, Minnesota, 1984-1986 (unbuilt project)

[Facade Study], untitled. Blue ink sketch on tracing paper, 12 x 21 1/2 inches [from photographic copy by Lance Burgharrdt]

Minnesota History Center Competition, St. Paul, Minnesota, 1984-1986 (unbuilt project)

[Facade Study], untitled. Pencil and purple pencil drawing on vellum, 13 3/4 x 24 inches [from photographic copy by Lance Burgharrdt]

Minnesota History Center Competition, St. Paul, Minnesota, 1984-1986 (unbuilt project)

[Facade Study and Section], untitled. Pencil and red pencil drawing on vellum, 17 1/4 x 23 inches [from photographic copy by Lance Burgharrdt]

Major documents in American economic history.

v. 1. From an agrarian to an industrial economy (1785-1900)--v. 2. The problems of a world power (the 20th century)