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

Watercolor over graphite on off-white wove paper

Brown chalk on off-white wove paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Charcoal on blue laid paper

Watercolor and graphite on rough white wove paper

Black ink, colored and black chalk on off-white wove paper

Charcoal on gray wove paper

Black ink, watercolor, and charcoal on cream wove paper

Graphite on off-white wove paper

Black ink and black wax crayon on off-white wove paper

Graphite on buff wove paper