Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Northwest elevation, (1/4" =1'-0")

Charcoal on blue laid paper

Graphite on paper

Colored crayons on paper

Watercolor and graphite on white wove paper

Graphite on translucent vellum paper

Spiral-bound sketchbook with cardboard covers; twenty pages of off-white wove paper

Watercolor on cream wove paper

Graphite on off-white wove paper (recto and verso)

Watercolor over graphite on off-white wove paper, mounted to off-white cardboard

Graphite on paper

Oil on white cardboard

Ink, gouache, and staples on orange and off-white wove paper collage elements on paperboard