Research Project on Economical Apartment Design, 1930: Vb: plans

Colored marker on paper

Graphite with red, blue, and yellow crayon ; graphite and blue crayon on paper

Graphite on paper

Colored marker, black pen, b/w photocopy, and adhesive on paper

Colored crayons on paper

Graphite and black crayon on paper

Black and blue crayon on paper

Graphite and colored crayons on paper

B/w photocopy, black marker, and adhesive on paper

Colored marker on paper

Graphite and colored crayons on paper

Graphite on paper