Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Exterior stone through rear entrance; part of southeast elevation (1/2" = 1'0")

Black ink, black crayon, and graphite on off-white cardboard

Ink and graphite on paper

Black ink on off-white wove paper

Black ink, watercolor, and graphite on gray-green wove paper, discolored to tan; verso: black ink and white gouache

Graphite on paper

Brown ink on off-white wove paper, mounted to a larger sheet of wove paper

Graphite on off-white wove paper mounted to cardboard

Red ink (printed and drawn) and graphite on Kraft paper

Black ink over graphite on off-white laid paper

Black ink and graphite on graph paper

Graphite on heavy cream wove paper

Black ink and gray wash on cream moderately textured wove paper