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

Watercolor on ruled off-white wove paper

Graphite on off-white wove paper

Charcoal on off-white laid paper

Off-white card

Graphite on off-white wove paper

Graphite on off-white wove paper

Ink, colored crayon, gouache, and graphite traces on off-white laid paper

Red chalk on illustration board

Black crayon and ink ; black crayon on paper

Purple fiber-tip ink on white wove paper

Graphite on thin off-white wove paper

Pen and black ink on folded cream colored paper