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

Charcoal and purple chalk on brown wove paper

Watercolor on off-white wove paper

Red and black chalk on gray laid paper

Graphite on paper

Charcoal on off-white wove paper; verso: graphite

Graphite on off-white wove paper; verso covered in red chalk for transfer

Pale green acrylic yarn

Graphite on paper

Charcoal and white and purple chalk on brown wove paper

Graphite on off-white wove paper

Graphite and red pencil on off-white modern laid paper

Graphite on off-white wove paper