Research Project on Economical Apartment Design, 1930: Building type IIb: first, second and third floor plans, 1:50

Black ink and graphite on off-white wove paper

Graphite on paper

Colored and metallic marker and black pen on paper

Colored crayons on paper

Colored marker and graphite on paper

Black marker on paper

Colored marker on paper

Collage of cut printed paper, metal foil, cellophane, wax paper, paper ribbon, and black paint on wove paper

Graphite on paper

Ink on paper

Transparent and opaque watercolor and black ink on off-white handmade laid paper

Graphite and blue crayon on paper