Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Upper pool: plan and sections

Blue, purple and brown crayon on paper

Graphite and yellow crayon on paper

Watercolor over graphite on off-white wove paper

Black ink and graphite on translucent vellum paper

Crayon on paper

Charcoal on blue laid paper

Graphite on off-white wove paper

Watercolor on off-white wove paper

Graphite on darkened off-white wove paper

Graphite on heavy cream wove paper

Black, white, and red chalk on dark pink wove paper

Acrylic on buff wove paper