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

Graphite on off-white wove paper

Graphite on paper

Graphite on paper

Graphite on ivory laid paper

Black ink on off-white card

Graphite on off-white wove paper

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

Black ink and yellow chalk on off-white wove paper

Oil on unstretched canvas

Graphite on off-white wove paper

Graphite on cream paper

Graphite on blue wove paper