Gropius Residence, Lincoln, Massachusetts, 1938: Roof plan, (1/4" =1'-0")

Gouache and graphite on cream wove paper

Graphite on paper

Watercolor and graphite on white wove paper

Black and white chalk on blue-gray wove paper

Graphite on paper

Crayon on paper

Graphite on off-white wove paper

Charcoal on off-white wove paper

Graphite on thin off-white wove paper

Graphite on paper

Watercolor over graphite on buff wove paper

Charcoal on off-white laid paper