Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Flower box on first terrace: plan and sections (1 1/2" = 1'-0")

Graphite on paper

Watercolor and white gouache over graphite on off-white wove paper

Charcoal on cream laid paper

Black ink, charcoal, watercolor, and watercolor pencil on beige laid paper, edges taped

Opaque watercolor on purple construction paper

Colored crayon on brown wove paper

Typewritten text on hole-punched cream wove paper in mylar sheet protector

Graphite on off-white wove paper

Graphite on paper

Graphite on darkened off-white tracing paper

Graphite and yellow crayon on paper

Charcoal on yellow wove paper