Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Upper pool: plan and sections

Pastel, black and gray wash and collage on white wove paper

Graphite on off-white wove paper

Pastel on brown paperboard

Ink on paper

Copperpoint with white Italian marble heightening on off-white modern wove paper, prepared with lapis lazuli, calcined bone, and rabbit skin glue.

Black ink and brown chalk on gray wove paper mounted to cardboard

Crayon on paper

Pastel and graphite on folded and layered brown wove paper

Watercolor over graphite on buff wove paper

Black ink and charcoal on cream laid paper

Black ink, graphite, and charcoal on off-white wove paper; verso: graphite

Black ink and blue pencil on cream wove paper