Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Protection bar on door: details (3/4" =1"-0" and full size)

Graphite on off-white wove paper

Transparent and opaque watercolor and black crayon on off-white wove paper

Black ink on heavy off-white wove paper

Red chalk on off-white wove paper

Incised line and Aquarelle on white wove paper

Watercolor on off-white wove paper

Pastel and scratchwork on clay-coated hardboard

Black crayon on off-white laid paper

Black ink and graphite on cream wove paper

Graphite on off-white wove paper

Graphite on buff wove paper

Gray wash with graphite on off-white wove paper