Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Curtain track: section (full size)

Watercolor over graphite on off-white cardboard

Graphite on cream laid paper

Graphite and white pastel on gray wove paper

Black chalk on off-white laid paper

Graphite on off-white wove paper

Charcoal on thick beige wove paper

Crayon on paper

Watercolor over graphite on off-white wove paper

Charcoal on off-white laid paper

Colored crayons on paper and mounted

Ink on paper

Watercolor on heavy buff wove paper