Prefabricated Copper Houses, 1931-1932: Building types M1 and M2: elevations showing three different possibilities for the roofing of a veranda, 1:50

Black crayon on paper

Blue ink, red marker, paper, and adhesive on paper

Colored inks on illustration paper

Graphite on paper

B/w photocopy and adhesive on paper

Black crayon on paper

Graphite on paper

Mixed media on off-white wove paper

Black marker and stickers on paper

Graphite on tan wove paper

Graphite with red, blue, and yellow crayon ; graphite and blue crayon on paper

Black marker on paper