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

Gray marker on paper, staples, and gray and red marker on paper

Graphite on paper

Black crayon on paper

Colored marker on paper

Colored crayons on paper and mounted

Graphite and yellow ochre crayon on paper

Graphite on paper

Silverpoint on white wove paper

Graphite on paper

Black crayon on paper

Graphite on paper

Black and blue crayon ; black crayon on paper