Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Revisions at rear of lot: plan and elevation (1" = 10'-0")

Graphite on off-white wove paper

Watercolor over graphite on off-white wove paper

Graphite on off-white wove paper

Crayon on paper

Black ink and graphite on pale gray laid paper; verso: graphite

Graphite, ink, and collage elements on paper

Pastel on blue wove paper

Black crayon on paper

Graphite on off-white wove paper

Watercolor and white gouache on off-white wove paper

Black ink and gouache over graphite on buff wove paper

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