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

Graphite on paper

Graphite on paper

Graphite on paper

Colored marker on paper

Colored crayons on paper

Colored marker on paper

Graphite on paper

Graphite and colored pencil on paper

Wax crayon and tempera on paper

Colored marker on paper

Graphite on paper

Colored marker and opaque watercolor on paper