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

Brown and black paint on cream wove paper

Graphite on off-white wove paper

Charcoal on buff laid paper

Black ink and graphite on off-white wove paper

Watercolor on off-white wove paper

Ink on paper

Black ink and gray wash on cream laid paper

Graphite on off-white wove paper; verso: charcoal

Incised line and Aquarelle on white wove paper

Graphite on paper with irregular left edge

Watercolor over graphite on off-white illustration board

Crayon on paper