Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Revised duct location: plan for 208 (1/4" = 1'-0")

Black ink and graphite on cream wove paper

Mixed media on paper

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

Graphite on off-white wove paper

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

Watercolor over graphite on off-white wove paper

Graphite on heavy white wove paper

Graphite on cream wove paper

Black chalk on off-white laid paper

Graphite on off-white wove paper

Black ink on off-white wove paper (recto and verso)

Black ink on tan wove paper