Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Workbench and wall cabinet: plan, elevations, section, and details (1/2", 3" = 1'-0" and full size )

Graphite on paper

Graphite on paper

Watercolor and black chalk on off-white wove paper

Graphite and white gouache on off-white wove paper

Graphite on paper

Sketchbook with blue and white marbled cardboard covers

Black felt-tipped pen on off-white wove paper

Graphite on off-white wove paper

Black chalk and charcoal on off-white laid paper

Graphite on off-white wove paper

Graphite on buff wove paper

Graphite on cream wove paper