Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Flower box on first terrace: plan and sections (1 1/2" = 1'-0")

Black ink and gray wash on cream laid paper

Drawing scratched on slide film

Black ink on tan wove paper

Watercolor and black ink on off-white wove paper

Watercolor on gampi paper

Graphite on heavy white wove paper

Watercolor and black wash over graphite on off-white wove paper

Incised line and Aquarelle on white wove paper

Graphite on paper

Black ink on off-white wove paper

Purple fiber-tip ink on white wove paper

Graphite on darkened off-white laid paper