Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Door frames: details (full size)

Graphite on off-white wove paper

Transparent and opaque watercolor with gum arabic

Watercolor and graphite on white wove paper

Black ink on cream wove paper

Brown, black, and colored ink and wash over graphite on heavy buff wove paper

Graphite and transparent watercolor on white wove paper

Graphite on paper

Graphite on cream wove paper

Graphite on paper

Watercolor on off-white wove paper

Graphite on off-white wove paper

Graphite on off-white wove graph paper