Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Store details, study, and incinerator chimmeys, doors, etc. (3/4", 1 1/2 , and 3" =1"-0" )

Graphite on buff wove paper

Graphite on off-white wove paper

Gouache on off-white wove paper

Black ink, graphite, and yellow chalk on off-white wove paper; verso: black ink

Graphite on paper

Watercolor on cream wove paper

Graphite on buff wove paper

Watercolor over graphite on off-white wove paper

Gouache over graphite on off-white wove paper

Black ink on off-white wove paper

Graphite on cream laid paper

Charcoal and black and white crayon on white wove paper