Research Project on Economical Apartment Design, 1930: Ia and Ib: plans and elevations

Recto: transparent and opaque watercolor, graphite, red colored pencil on off white wove paper; verso: transparent watercolor, graphite, red colored pencil on three pieces of off-white wove paper, laminated to recto

Black and red marker on paper

Colored crayon on paper

Black, blue and red crayon on paper with torn corners

Graphite on paper

Colored marker and tape on paper

Black pen on paper

Black and light green crayon on paper

Graphite on paper

Blue and black ink, red paper, and adhesive on paper

Graphite on paper

Black crayon and blue accent on paper