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

Watercolor and graphite on off-white wove paper

Graphite on off-white wove paper

Black ink on cream wove paper

Black ink on off-white wove paper

Watercolor on off-white wove paper

Graphite on off-white wove paper

Charcoal, oil stick, acrylic, and Liquid Paper on white wove paper

Graphite on off-white wove paper

Black ink, charcoal, and watercolor pencil on beige wove paper

Graphite and ink on paper

Black ink, graphite, and marker on graph paper

Graphite on off-white wove paper