Prefabricated Copper Houses, 1931-1932: Building type K1: basement and ground floor plans

Graphite on paper

Graphite on paper

Charcoal on off-white wove paper

Black chalk and charcoal on paper mounted to board

Black and red marker and black pen on paper

Black, red and green crayon on paper

Graphite on paper

Paper

Graphite on paper

Black marker on cardstock, stickers, note paper, and black pen on paper

Black crayon on tan wove paper

Black crayon on paper