Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Door frames: details (full size)

Graphite on darkened off-white tracing paper

Graphite on off-white wove paper

Watercolor on darkened cream wove paper

Watercolor over graphite on heavy off-white wove paper

Black ink and graphite on off-white wove paper

Black ink on tan wove paper

Oil on unstretched canvas

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

Crayon and graphite on off-white wove paper

Black crayon on thin off-white wove paper

Colored pencil on off-white card

Crayon on paper