Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Light fixture for stair outside swimming pool: details(1/4" =1"-0" and full size )

Graphite and gesso on paper

Graphite and prismacolor on Japanese paper with scraping

Crayon on paper

Graphite on off-white wove paper

Charcoal on translucent paper

Colored pencil and graphite on white wove paper

Graphite on paper

Black ink over graphite on cream laid paper

Watercolor over graphite on darkened off-white wove paper

Watercolor and graphite on cream wove paper

Crayon over graphite on off-white wove paper

Black ink, graphite, and colored pencil on paper