Ford Residence, Lincoln, Massachusetts, 1938-1939: Proposed retaining walls: plan, perspective, and section ( 1/4" = 1'-0")

Black ink on tan Japanese paper

Graphite on off-white wove paper

Black ink and graphite on tracing paper with acetate overlays

Graphite on paper

Graphite on paper

Graphite on paper

Graphite on cream wove paper; verso: black ink and graphite

Graphite on cream wove paper

Charcoal and oil on cardboard

Watercolor over graphite on heavy off-white wove paper

Charcoal powder and fixative, torn paper collage

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