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

Opaque watercolor and pastel on thick white wove paper

Watercolor over graphite on off-white wove paper

Graphite and collage element on paper

Metallic colored pencil, graphite, and marker on white wove translucent paper

Charcoal on cream laid paper

Ink, gouache, and natural material on paper

Graphite on tissue mounted on graph paper with black ink and graphite

Red chalk on blue laid paper

Charcoal and sanguine on paper

Watercolor over graphite on off-white wove paper

Graphite and gesso on paper

Ink and collage on paper