Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Landscaping plan (1' =10'-0")

Black and gray wash and graphite on tan wove paper; verso: gray wash

Graphite on off-white wove paper

Graphite on paper

Ink on paper

Graphite on paper

Graphite on paper

Red ink, green fiber-tipped ink and watercolor on off-white wove paper

Graphite on paper

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

Watercolor and graphite on off-white wove paper

Dark brown ink on white wove paper

Watercolor and graphite on layered off-white wove paper