Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Third floor plan

Sketchbook with cardboard back cover, paper front cover, and spiral wire binding

Graphite on paper

Oil on heavy cardboard

Black ink and watercolor on cream laid paper

Graphite on off-white wove paper

Charcoal and graphite on off-white laid paper

Graphite on paper

Mixed media on paper

Watercolor and graphite on white wove paper

Paintstick on double-laminated Hiromi paper

Graphite on cream laid paper

Watercolor on off-white wove paper