Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Curtained enclosure - roof deck 308: plan, elevation, and details (1/2" = 1'-0" and full size)

Graphite on off-white wove paper (recto and verso)

Black ink on cream wove paper

Graphite on pale blue wove paper

Graphite on off-white wove paper

Black ink on off-white wove paper

Graphite on buff wove paper

Graphite on paper

Album with blue cloth-covered cardboard covers

Watercolor over graphite on cream wove paper

Black ink on off-white wove paper

Watercolor and white gouache over graphite on off-white wove paper

Graphite and charcoal on off-white wove paper