Research Project on Economical Apartment Design, 1930: Perspective

Black crayon on paper, mounted to paper

Acrylic over graphite on white wove paper

Black and red marker on paper

Graphite on paper

Green crayon on paper

Graphite on paper

Graphite and colored pencil on paper

Black marker on paper

Black crayon on paper

Colored marker on paper

Colored marker on paper

Black and blue marker and blue pen on paper