Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Interior details of study #117 (1/2 = 1'-0")

Black chalk over brown chalk on darkened off-white wove paper

Watercolor and graphite on layered cream wove paper

Watercolor on off-white wove paper

Opaque and transparent watercolor on white wove paper

Black ink and colored chalk on off-white wove paper; verso: black ink

Ink on paper

Black ink on off-white wove paper

Graphite on paper

Graphite on paper

Metalpoint on white wove paper

Paintstick on double-laminated Hiromi paper

Red and black conté crayon on ivory tracing paper