Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Soap dish anchorages: section (full size)

Graphite, graphite wash , and staples on layered translucent vellum paper

Charcoal on cream wove paper

Sketchbook with beige cloth covers and Fabriano paper pages

Crayon on paper

Graphite on off-white wove paper

Watercolor and gouache on off-white wove paper

Watercolor over graphite on off-white laid paper?

Graphite on off-white wove paper

Graphite on cream wove paper

Black chalk and charcoal on off-white laid paper

Graphite on off-white wove paper

Graphite on off-white wove paper