Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Outside stairs at servant porch; exterior door entry: plan, sections, elevations, details (1/2" , 1 1/2" , and 6" = 1'0")

Crayon on paper

Black ink on slide film, hand colored

Black ink on off-white wove paper

Graphite on white translucent wove paper

Graphite on paper

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

Graphite on orange wove paper

Graphite on paper

Graphite on discolored blue paper

Enamel on white wove paper

Charcoal on off-white laid paper

Crayon on paper