Prefabricated Copper Houses, 1931-1932: Building type M1: plans

Black marker on paper

Black crayon on paper

Black crayon on paper

Graphite on paper

Paper

Graphite on paper and mounted

Black crayon on off-white wove paper

Black, red, and blue marker on paper

Colored marker on paper

Graphite on paper

Colored pencil, colored crayon, red and black inks, graphite, on tan wove paper

Colored marker and black pen on paper