Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Workshop wall and sill: details (full size)

Black ink and watercolor on ivory wove paper

Metallic colored pencil, graphite, and marker on white wove translucent paper

Graphite on cream wove paper

Watercolor and white gouache on cardboard

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

Crayon on paper

Black ink and graphite on off-white wove paper

Graphite on off-white wove paper

Pastel and watercolor on white wove paper

Graphite on cream wove paper

Graphite on off-white wove paper

Acrylic and graphite on white wove paper