Prefabricated Copper Houses, 1931-1932: Building types S, S1: door details, 1:1

Black crayon on paper

Graphite with colored crayons on paper

Black, blue and yellow crayon ; black, blue, yellow and aqua crayon on paper

Colored marker and black pen on paper

Colored marker and blue pen on paper

Graphite, charcoal, color pencil, wash on brown wove paper

Graphite and blue crayon on paper

Colored crayon on cream wove paper

Graphite and colored pencil on paper

Black and colored crayons on off-white laid paper

Colored crayons on paper

Opaque watercolor and adhesive on paper