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

Watercolor over graphite on off-white wove paper

Paper collage ("paste-up"), mounted on brown paper

Pastel and graphite on off-white wove paper

Black ink on off-white wove paper

Black ink on cream wove paper

Graphite on off-white wove paper

Black ink and charcoal on cream laid paper

Graphite on off-white wove paper

Black and white chalk and charcoal on blue laid paper

Pastel and graphite on folded and layered brown wove paper

Black ink on gray-green laid paper

Black ink on off-white wove paper