Office and Factory Buildings, Cali, Colombia, 1945: Elevations (1/16" = 1'-0")

Bound book with paper-covered cardboard covers

Black ink on off-white wove paper

Graphite on paper

Charcoal on modern laid paper

Black ink on cream wove paper

Watercolor and graphite on white wove paper

Watercolor and ink on a postcard

Acrylic paint and graphite on brown wove paper

Crayon on paper

Black ink, graphite, and yellow chalk on off-white wove paper

Watercolor and gouache over graphite on off-white wove paper

Charcoal on gray-blue laid paper