Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Design for sandblasting glazed partition, first floor: elevations (1/2" = 1'-0" and full size)

Charcoal on off-white laid paper; verso: graphite

Graphite on paper

Paintstick on heavy cream Japanese wove paper

Graphite on paper

Charcoal on off-white laid paper

Graphite on dark cream wove paper

Black ink and red crayon on cream laid paper

Graphite on cream card

Watercolor and graphite on paper

Brown ink and green crayon on off-white wove paper, mounted to wove paper

Graphite, gouache, black ink and typing on white wove paper

Graphite on off-white wove paper