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

Colored marker on paper

Graphite on paper

black and brown ink, brown and black wash, and brown-red gouache on off-white wove paper, mounted to off-white card

Graphite on white wove paper.

Red, orange, and blue marker on paper

Black marker on paper

Black marker on paper

Blue pen on paper

Graphite on cream wove paper

Graphite on paper

Graphite on paper

Black crayon on paper