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

Mixed media on paper

Graphite on cardboard

Black ballpoint ink on brown cardboard

Graphite on darkened off-white tracing paper

Black crayon on blue-flecked cream laid paper

Watercolor over graphite on heavy off-white wove paper

Charcoal on modern laid paper

Graphite on paper

Graphite on off-white wove paper

Hammered marks on white transfer paper

Watercolor on off-white wove paper

Graphite on off-white wove paper