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

Black and colored crayon on off-white wove paper

graphite and colored crayon on squared cream wove paper, mounted on pink wove paper

Graphite on paper

Graphite and colored pencil on paper

Colored marker and black pen on paper

Colored crayons on paper

Graphite and colored pencil on paper

Graphite on paper

Colored crayons on paper with torn top edge

Colored marker on paper

Graphite on paper

Ink on paper