Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Workshop #04: plan and elevations (1/2" = 1'-0")

Opaque watercolor on Indian paper

Graphite on paper

Graphite on paper

Graphite and charcoal on cardboard

Colored crayons on paper

Graphite on paper

Sumi ink on Japanese paper, mounted on board

Graphite on off-white wove paper (recto and verso)

Mixed media on paper

Graphite and watercolor on off-white wove paper

Watercolor over graphite on off-white wove paper

Black ink and tan wash on white wove paper