Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Sofa and cases, room #220, elevations, sections, plan (1 1/2" =1'-0" and full size)

Watercolor on off-white wove paper

Sketchbook with paper-covered cardboard covers

Graphite on paper

Black ink on off-white wove paper

Black crayon on paper

Charcoal on blue laid paper

Black ink on white wove paper

Tempera on acetate over brown and green tissue paper collage elements, and black ink on Japanese paper

Watercolor and graphite on white wove paper

Charcoal, white pencil, red and blue watercolor (or ink) on off-white wove paper

Graphite on off-white wove paper

Graphite on off-white wove paper