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

Red pen on paper

Graphite and colored pencil on paper

Black crayon on paper

Black and aqua crayon on paper

Colored crayon on tan wove paper

Graphite on paper

Graphite on paper and mounted

Black crayon on paper

Gouache on gray-green laid paper

Colored marker on paper

Graphite and transparent watercolor on cream wove paper

Colored marker and red ink on paper