Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Living room fireplace plan (1 1/2" = 1'-0")

Charcoal, gouache (or poster paint), and crayon on buff wove paper

Watercolor and felt-tip pen on white notebook paper with perforated edge

Graphite on cream wove translucent paper

Graphite powder and incised lines on Japanese paper

Graphite on off-white wove paper

Graphite on white translucent wove paper

Graphite on paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Opaque watercolor on heavy white wove paper

Graphite on off-white wove paper

Black fiber-tip ink on thin cream wove paper mounted to white cardboard