Studies from Gropius' Berlin Office: Basement and upper floor plans, 1:200

Colored marker on paper

Black crayon on cream wove paper

Graphite on paper

Colored marker on paper

Graphite on off-white wove paper mounted to cream wove paper

Black crayon on off-white wove paper

Colored marker on paper

Blue crayon on paper

Ink on paper

Graphite on off-white laid paper

Black and red marker on paper

Watercolor with black ink on paper