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

Graphite on off-white wove paper

Black ink and pen on cream-colored rag paper

Leather bound sketchbook

Watercolor over graphite on off-white wove paper

Graphite on off-white wove paper

Graphite on off-white wove paper-

Black ink on orange wove paper with postage stamp

Charcoal and black ink on illustration board

Black chalk and watercolor on off-white wove paper

Black ink on off-white wove paper

Graphite, blue ink and black type on commercially printed cream wove paper

Black ink and graphite on thin buff wove paper