Prefabricated Copper Houses, 1931-1932: Building type K0: basement and ground floor plans, 1:50

Graphite and colored pencil on paper

Ink on gelatin silver print

Paper

Brown ink on newsprint

Gouache on off-white wove paper

Graphite on paper

Graphite on paper

Graphite on cream wove paper

Black marker on paper

Black ink and graphite on paper

Colored marker and black pen on paper

Colored marker on paper