Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Reflector cases for large permaflector: details (full size)

Graphite and colored chalk on brown wove paper

Charcoal on off-white laid paper

Charcoal on paper

Graphite on paper

Watercolor and graphite on cream wove paper

Colored ink on plastic

Charcoal on off-white laid paper

Black ink on off-white wove paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Graphite on white wove paper

Charcoal on off-white laid paper