Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Interior details - recreation room: plan elevations, section, and details (1/2" and 3" = 1'-0")

Graphite on dark cream wove paper

Black ink and graphite on off-white wove paper

Watercolor over graphite on off-white wove paper

Black ink on off-white wove paper; verso: black ink and gray wash

Graphite on off-white wove paper

Graphite on cream laid paper

Graphite on off-white wove paper

Watercolor, pastel and charcoal, with some scoring, on white wove paper

Ink on paper

Watercolor on off-white wove paper

Black ink on cream wove paper

Black chalk and charcoal on off-white laid paper