Research Project on Economical Apartment Design, 1930: IIIb: plans, elevations, and section

Graphite on paper

Red ink and red marker on paper

Brown, blue and gray crayon on paper

Graphite and crayon on paper

Black crayon on paper

Graphite on paper, mounted

Charcoal and black ink on darkened cream wove paper

Graphite on paper

Colored marker on paper

Graphite on paper and mounted

Paper

Colored marker on paper