Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Alternate flashing section (full size)

Watercolor over graphite on two pieces of white wove paper

Gouache and mixed media on paper

Watercolor over graphite on off-white wove paper, mounted to off-white card

Transparent watercolor, colored pencil, and crayon on white wove paper

Gouache and black ink on illustration board

Charcoal on blue laid paper

Graphite on paper

Charcoal on off-white wove paper (recto and verso)

Black ink on cream wove paper

Black fiber-tip ink on off-white wove paper

Graphite on off-white wove paper

Black ink and black crayon over graphite on off-white laid paper