Research Project on Economical Apartment Design, 1930: Building type IIIb: basement plan, 1:50

Graphite on paper

Black crayon on paper

Ink and graphite on paper

Black and white photographs, adhesive, and blue ink on paper

Ink and colored pencils on paper

Black marker on paper

Black and green crayon on paper

Graphite with blue and yellow crayon on paper

Graphite on paper

Graphite on envelope

Colored marker on paper

Colored marker on paper