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

Graphite on paper

Colored marker on paper and translucent film

Graphite and blue crayon on paper

Graphite and colored crayon on off-white wove paper

Graphite on paper

Graphite on paper

Graphite and colored pencils on paper

Colored marker on paper

Graphite on paper

Black marker on paper

Black crayon on paper

Watercolor