Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Bathrooms and broom closet: plans and elevations (1/2" =1'0")

Sketchbook with cardboard backing, heavy paper cover, and spiral wire binding

Watercolor and graphite on cream wove paper

Watercolor over graphite on heavy off-white wove paper

Graphite on white wove paper

Oil on green prepared paper

Black ink over graphite on off-white wove paper

Graphite on paper

Black ink, charcoal, and watercolor pencil on cream laid paper

Black ink on heavy off-white wove paper

Graphite on off-white wove paper

Black ink on white wove paper

Graphite on blue paper