Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Study and bedroom chimney details (1/4" = 1'0")

Graphite on off-white wove paper

Pastel on thin off-white wove paper

Black ink on off-white wove paper

Charcoal and black ink on cream laid paper

Watercolor and graphite on white wove paper

Mixed media on paper

Graphite on ivory laid paper

Black ink, black crayon, and white gouache on off-white laid paper

Graphite on darkened off-white wove paper

Black ink on brown cardboard

Graphite on buff wove paper

Black ink and graphite on off-white wove paper