Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Revision of retaining wall (garage): plan and details (1/8" = 1'-0")

Oil(?) paint, pastel, and graphite on paper

Black ink on off-white wove paper

Oil over graphite on off-white wove paper

Graphite on off-white wove paper

Charcoal on off-white laid paper

Watercolor and graphite on off-white wove paper

Graphite and collage elements on paper

Green cardboard covers, black cloth spine; thirty-eight pages of off-white wove paper

Black ink, graphite, and yellow chalk on off-white wove paper

Charcoal on paper

Graphite on paper