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

Charcoal on beige laid paper

Watercolor and black ink on cream wove paper

Watercolor and graphite on heavy cream wove paper

Watercolor and graphite on off-white wove paper, mounted to cardboard

Graphite on paper

Watercolor and graphite on white wove paper

Watercolor and white gouache over graphite on off-white wove paper

Black ink and graphite on off-white wove paper

Graphite on paper

Graphite on pink wove paper

Crayon on graph paper

Watercolor, gouache, and graphite on off-white wove paper