Gropius Residence, Lincoln, Massachusetts, 1938: Window details (full size)

Watercolor over graphite on two pieces of white wove paper

Graphite on buff wove paper

Graphite on off-white wove paper

Watercolor over graphite on off-white wove paper

Graphite on off-white wove paper

Sketchbook with black-leather-covered cardboard covers

Tempera on acetate

Graphite on off-white wove paper

Colored crayons on paper

Graphite on paper

Black ink on off-white wove paper

Charcoal on blue laid paper