Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Case in 220: details (1 1/2" = 1'-0" and full size)

Graphite on cream wove paper

Colored chalk and charcoal on pink laid paper

Graphite on off-white wove paper

Black and red inks and graphite on tracing paper

Incised line and Aquarelle on white wove paper

Watercolor on off-white wove paper mounted to off-white cardboard

Graphite on off-white wove paper

Graphite and charcoal on paper

Brown crayon on paper

Graphite on paper

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

Graphite on buff wove paper