Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Interior elevations (1/4" = 1'-0")

Graphite on paper

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

Black ink and gray wash on cream laid paper, mounted to gray wove paper

Graphite on off-white wove paper

Transparent and opaque watercolor and brown ink over graphite on off-white wove paper

Graphite and brown wash on buff laid paper

Paper

Watercolor over graphite on off-white wove paper

Graphite on off-white wove paper

Watercolor on off-white wove paper (recto and verso)

Black ink on off-white wove paper

Graphite on off-white wove paper