Research Project on Economical Apartment Design, 1930: Building type IIb: first, second and third floor plans, 1:50

Graphite on paper

Graphite on off-white wove paper

Blue marker on paper

Black crayon on paper

Graphite on cream wove paper

Black crayon on paper

Black crayon and graphite on paper

Black and blue crayon on paper

Colored crayons on paper

Colored crayons on paper

Black crayon on paper

Graphite on tan wove paper, squared