Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Hall sitting room, #220, second floor: plan and elevations (1/2" = 1'-0")

Red and white chalk on gray modern laid paper

Graphite on off-white wove paper

Watercolor over graphite on off-white wove paper

Crayon on paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Black conté crayon on buff laid paper

Collage

Black ink over graphite on off-white wove paper

Black ink on cream wove paper

Graphite on off-white wove paper

Black ink on off-white wove paper