Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Third floor, outlets #25-27: plan and section (1/4" and 3" = 1'-0" )

Graphite, graphite wash , and staples on layered translucent vellum paper

Gouache and watercolor on off-white wove paper

Graphite on darkened off-white wove paper

Black ink and charcoal on beige wove paper

Watercolor and graphite on layered off-white wove paper

Black ink and graphite on translucent vellum paper

Charcoal on off-white laid paper

Black ink and watercolor pencil on white wove paper

Colored crayons on paper

Sketchbook with beige cloth covers and pencil sleeves

Crayon on paper

Graphite on off-white wove paper