Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Front entrance, details (1/2" , 1 1/2" , and 6" = 1'0")

Black ink on off-white wove paper

Graphite on off-white wove paper

Charcoal on blue laid paper

Graphite and charcoal on paper

Oil on white prepared paper

Watercolor pencil and graphite on off-white wove paper

Watercolor over graphite on off-white wove paper, mounted to off-white card

Black ink and charcoal on cream laid paper

Off-white card

Black ink and charcoal on cream laid paper

Watercolor and black chalk on off-white wove paper

Watercolor over graphite on off-white wove paper