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

Graphite on blue laid paper

Red chalk on off-white laid paper

Crayon on paper

Brown ink and wash over graphite on buff wove paper

Black ink, charcoal, and watercolor on cream laid paper

Graphite on paper

Watercolor, black ink and metallic paint over graphite on buff wove paper

Black and red inks over graphite on off-white wove paper

Black ink on off-white wove paper

Watercolor over graphite on off-white wove paper

Black ink on off-white illustration board

Watercolor and graphite on off-white wove paper