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

Graphite on off-white wove paper

Charcoal on blue laid paper

Graphite on blue wove paper

Watercolor on off-white wove paper

Graphite on off-white wove paper

Graphite and crayons on off-white tracing paper

Charcoal on blue laid paper

Graphite on paper

Graphite on off-white laid paper

Charcoal on off-white laid paper

Watercolor over graphite on off-white wove paper

Black ink on tan wove paper