Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Workshop wall and sill: details (full size)

Watercolor and graphite on cream wove paper

Watercolor over graphite on off-white wove paper

Graphite on paper

Gray wash on darkened cream wove paper

Graphite on paper

Purple and black ink on off-white wove paper (surface losses and adhered paper residues occurred in artist's studio)

Black crayon on paper

Watercolor and graphite on cream wove paper

Charcoal on heavy blue wove paper

Black ink on cream wove paper

Black crayon on paper

Blue crayon on paper