Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Wall sections (1 1/2" = 1'-0")

Black ink on blue wove paper

Watercolor over graphite on buff wove paper

Graphite on off-white laid paper

Watercolor on white Asian paper

Black ink and charcoal on cream laid paper

Black ink, graphite, and yellow chalk on off-white wove paper

Charcoal and purple chalk on brown wove paper

Black ink and graphite on off-white wove paper

Graphite on off-white wove paper

Gray wash on brown wove paper

Watercolor and white gouache on off-white wove paper

Graphite on paper