Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Bar details (1/2" = 1'-0")

Black crayon on off-white wove paper

Graphite on paper

Graphite on cream wove paper

Charcoal on off-white laid paper

Graphite and black ink on off-white tracing paper

Pastel and graphite on layered cream modern laid paper

Graphite on off-white laid paper

Watercolor over graphite on off-white wove paper

Pastel on paper

Graphite on paper

Graphite on off-white wove paper

Black crayon on paper