Research Project on Economical Apartment Design, 1930: Building type IIIb: basement plan, 1:50

Graphite on paper

Gouache, colored crayon, red, blue, and black inks, graphite, on tan wove paper

Colored marker on paper

Black pen on ruled paper, adhesive, and black marker on paper

Black crayon on paper

Graphite on paper

Graphite and ink on paper

Colored marker on paper

Black crayon on paper

Paper

Colored marker on paper

Graphite on paper