Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Detailed plan of clothes chute, f.a. duct, incinerator etc (1/2" = 1'-0")

Blue ink and graphite on off-white laid paper

Oil crayon, colored pencil and graphite on paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Watercolor and red ink lines on white wove paper

Oil stick on white wove paper; verso: black ink

Charcoal, oil stick, acrylic, and Liquid Paper on white wove paper

Graphite on off-white wove paper

Graphite on paper

Charcoal on paper

Metalpoint on white prepared paper

Black ink and graphite on off-white wove paper, mounted to cardboard