Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Pipe sleeve and footing, dining terrace: sections (3" = 1'-0")

C-print (magenta and yellow color separation) with ball-point ink grid, mounted on foam-core

Oil on thin off-white wove paper

Ink on paper

Charcoal on paper

Graphite on cream wove paper

Black crayon and ink on paper

Graphite on paper

Black ink on ivory laid paper

Watercolor on off-white wove paper

Graphite on paper

Graphite on paper

Watercolor on off-white wove paper