Prefabricated Copper Houses, 1931-1932: Building types S and S1: north elevations, 1:20

Graphite and blue crayon on paper

Black marker on paper

Graphite on paper and mounted

Black crayon on paper and mounted

Colored marker on paper

Graphite on paper

Black and red marker on paper

Mixed media

Black ink on blue wove paper; verso: black ink

Black and blue crayon on paper

Collage of cut blue wove paper on yellow-brown wove paper

Colored marker and black pen on paper