Prefabricated Copper Houses, 1931-1932: Building types 1a and 1b: ground floor plan

Black crayon on cream wove paper

Graphite on paper

Colored crayons on paper

Graphite on paper and mounted

Graphite on paper

Watercolor and black ink on paper

Graphite on paper

Black marker, red pen, graphite, cardstock, and adhesive on paper

Graphite on paper

Red and black marker and blue ink on paper

Graphite and crayon on paper

Black and blue marker on paper