Prefabricated Copper Houses, 1931-1932: Ground floor plan, 1:50

Tusche on tan wove paper

Black and red marker and black pen on paper

Black marker on paper

Graphite on paper

Black marker on paper

Graphite on paper

Colored marker and black pen on paper

Graphite on paper

Black crayon on tan wove paper

Black marker and blue pen on paper

Black crayon on off-white wove paper

Graphite on light gray paper