Prefabricated Copper Houses, 1931-1932: Isometric, 1:100

Colored crayons on paper

Colored crayon on paper

Graphite on off-white wove paper

Graphite on off-white paper

B/w photocopy on red paper and adhesive on sketchbook paper

Red-brown crayon on paper

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

Graphite on paper

Alcyd and oil color on handmade French paper

Graphite on paper

Black crayon on paper

Black crayon on paper