Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Lower pool in garden: plan and sections (1/2" = 1'-0")

Graphite on off-white wove paper

Watercolor and graphite on white wove paper

Graphite on paper

Graphite on buff wove paper

Black ink and white chalk on beige wove paper

Collage of colored crayons, graphite, fabric, map, and masking tape

Graphite on coated off-white wove paper

Black ink on off-white card

Graphite on paper

Charcoal and graphite on off-white laid paper

Graphite and prismacolor on Japanese paper with scraping

Watercolor on ruled off-white wove paper