Papal Altar and Furniture, Pontiac Silverdome, Pontiac, Michigan, 1987

[Early Conceptual Sketches of Throne], untitled. Brown ink sketches on tracing paper, 12 x 23 1/2 inches [from photographic copy by Lance Burgharrdt]

Papal Altar and Furniture, Pontiac Silverdome, Pontiac, Michigan, 1987

[Early Conceptual Sketches of Throne], untitled. Brown ink sketches on tracing paper, 12 x 18 3/4 inches [from photographic copy by Lance Burgharrdt]

Papal Altar and Furniture, Pontiac Silverdome, Pontiac, Michigan, 1987

[Early Conceptual Sketch of Throne], untitled. Brown ink sketch on tracing paper, 12 x 19 1/4 inches [from photographic copy by Lance Burgharrdt]

Papal Altar and Furniture, Pontiac Silverdome, Pontiac, Michigan, 1987

[Conceptual Sketches of Throne], untitled. Black and blue ink sketches on tracing paper with yellow marker coloring, 18 x 29 3/4 inches [from photographic copy by Lance Burgharrdt]

Papal Altar and Furniture, Pontiac Silverdome, Pontiac, Michigan, 1987

[Schematic Design Drawing of Throne Elevation and Section], untitled. Pencil and purple pencil drawing on vellum, 21x24 inches [from photographic copy by Lance Burgharrdt]

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

[Conceptual Sketches], untitled. Brown ink sketches on two sides of shirt cardboard, with notation, "see also other side," 6x8 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]

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]

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

[Conceptual Sketches of Elevations], untitled. Ink sketches on two sheets of tracing paper with marker coloring, one initialed, 12x41 & 12x42 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, 12x32 inches [from photographic copy by Lance Burgharrdt]

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

[Conceptual Representation of Tree of Life Motif on Door], untitled. Cut-out cardboard pieces on mat board, initialed, 18x23 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]

Lewis Residence, Bloomfield Hills, Michigan, 1965-1967

[Conceptual Sketches], untitled. Blue ink sketches on shirt cardboard, 8x12 inches [from photographic copy by Lance Burgharrdt]

Bald Mountain Recreational Facility, Pontiac, Michigan, 1964-1969

[Early Conceptual Sketches], untitled. Ink sketches on two sides of shirt cardboard, 8x12 inches [from photographic copy by Lance Burgharrdt]

Ford Motor Company Visitor Reception Center, Dearborn, Michigan, 1971 (unbuilt project)

[Conceptual Sketch of Scheme 1], untitled. Ink sketch on white paper, 8 1/2 x 11 inches [from photographic copy by Lance Burgharrdt]