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

Black ink and white gouache on cream wove paper

Graphite on paper

Charcoal on off-white laid paper

Black ink, blue-gray watercolor, and graphite on cream wove paper; verso: graphite

Graphite on paper

Black ink, charcoal, and watercolor pencil on cream wove paper

Graphite on paper

Graphite on paper

Charcoal on off-white laid paper

Black ink and graphite on off-white wove paper; verso: black ink

Graphite on cream wove paper

Black crayon and ink on paper