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 laid paper

Graphite on off-white wove paper

Graphite on paper

Colored crayons on paper

Graphite on tan wove paper

Black ink on off-white wove paper

Charcoal on blue-gray laid paper

Charcoal on off-white wove paper

Black ink and graphite on off-white wove paper

Graphite and gesso on paper

Incised line and Aquarelle on white wove paper

Watercolor on cream wove paper