Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Typical door and finish and plaster ground details (3/4" = 1'-0" and full size)

Charcoal on blue laid paper

Black ink over graphite on modern laid paper

Black ink over graphite on cream board

Graphite on off-white wove paper

Black ink on off-white wove paper

Graphite on paper

Watercolor and graphite on cream wove paper

Graphite on cream wove paper; verso: same

Watercolor and graphite on cream wove paper

Graphite on paper

Charcoal, white pencil, white chalk, black ink, red watercolor (or ink) on off-white wove paper

Black chalk and charcoal on off-white laid paper