Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Site plan

Graphite and photograph mounted on white paper

Graphite on heavy cream wove paper

Graphite on cream wove paper

Black ink, gray gouache, and red-brown watercolor on off-white laid paper; verso: black ink

Crayon on paper

Black ink and charcoal on cream laid paper

Black chalk and charcoal on off-white laid paper

Black ink on cream wove paper

Graphite on paper

Charcoal on printed map on off-white wove paper

Graphite on paper

Watercolor and graphite on layered off-white wove paper