Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Living room fireplace plan (1 1/2" = 1'-0")

Black ink, watercolor, and charcoal on cream wove paper

Charcoal, oil stick, acrylic, and Liquid Paper on white wove paper

Black crayon on paper

Watercolor on ruled off-white wove paper

Graphite on off-white wove paper

Graphite on darkened off-white wove paper, mounted to cardboard

Graphite and singe marks on white wove paper

Transparent and opaque watercolor on cream wove paper

Black crayon on dark green-brown wove paper

Black ink on off-white wove paper

Sketchbook with beige cloth-covered cardboard covers

Beeswax, graphite, detritus and debris on wove paper