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

Graphite on off-white wove paper

Black ink on off-white wove paper

Black crayon on paper

Watercolor and graphite on off-white wove paper

Watercolor over graphite on off-white illustration board

Graphite on cream wove paper mounted to cardboard

Graphite on off-white wove paper

Graphite on paper

Black chalk and black crayon on pink laid paper

Colored crayons on paper

Sketchbook with cardboard covers and spiral wire binding

Graphite on off-white wove paper