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

Graphite and colored crayon on off-white laid paper

Black crayon on paper

Black marker on paper

Colored marker and black ink on paper

Graphite on paper

Black crayon on paper

Black ink and gouache, over graphite, on cardboard

Graphite and blue crayon on paper

Graphite, crayon, black and white gouache, and collage elements on paper

Graphite on paper, mounted

Colored marker on paper

Black marker on paper