Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: First floor plan (1/4" = 1'-0")

Black ink and gray wash on cream laid paper

Black ink on cream wove paper

Printed collage and spray paint on paper

Sketchbook with brown paperboard cover and spiral wire binding

Crayon on paper

Watercolor and graphite on heavy off-white wove paper

Silverpoint on buff wove paper

Black ink and graphite on fan-shaped parchment

Graphite, red crayon, and white gouache on off-white wove paper

Silverpoint on illustration board

Metalpoint on white prepared paper

Graphite on cream laid paper