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

Graphite on paper

Graphite and ink on paper

Red crayon on buff wove paper

Graphite on paper

Graphite on off-white wove paper

Charcoal on gray laid paper

Black conté crayon on cream wove paper

Black ink on modern laid paper

Charcoal on off-white laid paper

Watercolor, white gouache and graphite on off-white cardboard

Watercolor and white gouache on blue wove paper, discolored