Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Typical windowsill details (full size)

Charcoal on off-white wove paper; verso: graphite

Black ink, white gouache, and black crayon on off-white laid paper

Graphite on off-white wove paper

Graphite on paper

Black printing ink(?), graphite(?), oil pastel(?) and solvent (oil wash) on off-white wove paper (recto and verso)

Crayon on paper

Watercolor and white gouache on cream laid paper

Oil on very thin, fibrous paper, set down on heavier paper

Black pastel on off-white wove paper

C-print (magenta, cyan, and yellow color separation) mounted on foam-core with ball-point ink numbers, black ink grid, acrylic airbrush marks, and masking tape

Graphite on paper

Brown crayon on paper