Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Interior elevations and radiator grille detail (1/4" = 1'-0" and full size)

Graphite on off-white wove paper

Oil on cream laid paper

Watercolor over graphite on off-white illustration board

Watercolor, black ink and metallic paint over graphite on buff wove paper

Graphite on cream laid paper

Paper

Colored pencil, colored chalk, and graphite on brown cardboard

Black ink and graphite on thin buff wove paper

Graphite on cream wove paper

Carbon ink from carbon paper, typed, on cream wove paper

Charcoal on off-white laid paper; verso: graphite

Black ink on white wove paper