Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Glass for bathtub: plan (1/4" = 1'-0")

Watercolor over graphite on off-white wove paper

Graphite on cream wove paper

Colored pencil and graphite on brown wove paper

Black and red chalk on white wove sketchbook paper

Pastel on off-white wove paper?

Watercolor and graphite on white wove paper

Black ink on cream wove paper

Watercolor over graphite on off-white wove paper

Black ink, gray wash, and graphite on moderately textured cream paper

Graphite on paper

Watercolor on off-white wove paper

Watercolor and graphite on cream wove paper