Research Project on Economical Apartment Design, 1930: Building type IIIb: first-third floor plans, 1:50

Graphite on paper

Graphite on paper

Colored marker and stamped ink on paper

Black marker on paper

Graphite on paper

Black and gray marker on paper

Graphite on paper

Ink, wash, and applied type on paper

Graphite and colored crayon on off-white laid paper

Colored marker on paper

Black crayon on paper

Graphite on paper