Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Bracket, wire way, swivel: section and perspective

Black ink, red and blue crayon, and graphite on cream wove paper; verso: brown wash and graphite

Graphite on cream wove paper

Watercolor and graphite on white wove paper

Watercolor and black ink on off-white wove paper

Graphite, gouache, crayon, and silver and black ink on white wove paper

Black ink on frosted mylar

Black colored pencil? conte? on cream wove paper

Charcoal and oil on cardboard

Graphite on off-white wove paper; verso: charcoal

Black crayon on cream wove paper

Watercolor over graphite on off-white wove paper

Colored crayons on paper and mounted