Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Desk - room #210 and bookcase: plan, sections, and elevations (1 1/2" and 6" = 1'-0")

Black ink over graphite on cream laid paper

Charcoal on cardboard, discolored

Graphite, black ink and pen on white paper

Black ink and watercolor on thin cream wove paper; verso: watercolor and crayon

Graphite on off-white wove paper

Black ink, graphite, and yellow chalk on off-white wove paper

Ink on cardboard

Graphite on paper

Pastel and black chalk on off-white wove paper

Graphite on off-white wove paper

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

Charcoal on blue laid paper