Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: First floor plan

Black ink on off-white wove paper (recto and verso)

Black ink and colored chalk on translucent buff wove paper

Graphite and ink on translucent wove paper

Graphite on paper

Watercolor and graphite on off-white wove paper

Watercolor, black ink, and wax on white wove paper

Black crayon on paper

Charcoal on cream laid paper

Black ink over charcoal on off-white wove paper

Graphite, watercolor and red crayon on cream wove paper

Colored pencil and metalpoint with incised lines on white wove paper

Graphite on off-white wove paper