Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Connector enclosures, ground and first floors: details (1/2" = 1'0")

Black ink on off-white wove paper

Crayon on paper

Graphite on off-white wove paper

Graphite on white wove paper

Watercolor on cream wove paper

Charcoal on off-white laid paper

Watercolor and gouache over graphite on cream wove paper

Graphite on ivory laid paper

Graphite on cream laid paper

Black ink and pen on paper

Graphite on off-white modern laid paper

Mixed media (ink, watercolor, and gouache) on paper