Research Project on Economical Apartment Design, 1930: Plans of floors with 11, 12, and 22 apartments

Graphite on paper

Black crayon on paper

Colored crayons on paper

Black and colored crayon on off-white wove paper mounted to cream wove paper

Black, orange, and blue crayon on paper and mounted

Ink on paper

Black and blue marker on paper

Black crayon on tan wove paper

Black crayon on paper

Graphite and transparent watercolor on cream wove paper

Graphite on paper

Blue and green crayon on paper