Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: State of rough excavation: plan (1" = 1'-0")

Graphite on off-white wove paper

Watercolor over graphite on off-white laid paper

Sketchbook with cardboard covers and spiral wire binding

Oil on white prepared paper

Black ink and graphite on cream wove paper

Graphite and ink on paper

Charcoal on off-white laid paper

Graphite on paper

Graphite on thin off-white wove paper

Black ink and oil on white wove paper, mounted on board

Watercolor over graphite on off-white wove paper

Watercolor and white gouache over graphite on buff laid paper