Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Bathrooms: plans and elevations (1/2" =1'0")

Black ink over graphite on thin tracing paper mounted to off-white cardboard

Black crayon on paper

Charcoal on off-white laid paper

Sketchbook with beige cloth-covered cardboard covers

Ink and graphite on paper

Black ink on cream wove paper

Black ink on white wove paper

Watercolor and white gouache over graphite on buff laid paper

Watercolor over graphite on off-white wove paper

Graphite on off-white wove paper

Acrylic, graphite, and computer print-out on off-white wove paper