Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Interior elevations (1/4" = 1'-0")

Crayon on paper

Graphite on paper

Graphite on paper

Incised line and Aquarelle on white wove paper

Graphite on off-white wove paper

Black ink on off-white wove paper

Watercolor over graphite on off-white wove paper

Black ink and brown chalk on buff laid paper

Charcoal and graphite on off-white laid paper

Black crayon on thin brown wove paper

Graphite on paper

Graphite on paper