Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Store details, study, and incinerator chimmeys, doors, etc. (3/4", 1 1/2 , and 3" =1"-0" )

Mixed media on paper

Graphite on paper

Graphite on paper

Colored crayon on paper?

Black ink and graphite on cream wove paper (two pieces joined)

Graphite on paper

Watercolor and graphite on cream wove paper

Graphite on off-white wove paper

Graphite, black ink, and blue ball-point ink on off-white wove graph paper

Graphite on cream wove paper

Black ink on off-white wove paper

Watercolor and gouache on off-white illustration board