Prefabricated Copper Houses, 1931-1932: Building type K: plans and perspective sketches

Blue marker on paper

Black and colored crayons on off-white wove paper

Colored marker on paper

Black, blue, and red marker on paper

Graphite on paper

Colored marker on paper

Blue and black marker on paper

Graphite on paper and mounted

Graphite, partially erased, on white wove paper

Colored marker on paper

Graphite on paper

Graphite and purple crayon on paper with torn edges