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

Graphite on paper

Crayon on paper

Black pen on paper

Tempera, black and violet inks, and gouache over graphite on white wove card

Orange and chartreuse wax crayon with black wash on heavy white paper

Colored crayons on paper and mounted

Graphite on paper

Colored marker on paper

Watercolor on paper

Graphite on white card

Graphite on paper

Graphite and crayon on paper