Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Workshop #04: plan and elevations (1/2" = 1'-0")

Watercolor over graphite on off-white wove paper

Off-white wove paper

Pastel and graphite on tracing paper

Graphite on buff wove paper

Graphite on paper

Black ink and charcoal on cream wove paper

Graphite on paper

Graphite on off-white wove paper

Graphite wash, watercolor and black crayon on off-white wove paper

Graphite on off-white wove paper

Metalpoint on white paperboard prepared with white gesso

Graphite on buff wove paper; verso: black ink