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

Graphite on off-white wove paper

Charcoal and black ink on cream laid paper

Graphite and white pastel on blue-buff wove paper

Paintstick on thick off-white wove paper

Graphite on cream laid paper

Charcoal on white wove paper

Black ink, watercolor, gold paint, white gouache on heavy off-white wove paper

Black ink on brown laid paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Graphite on paper

Sketchbook with beige cloth-covered cardboard covers