Office and Factory Buildings, Cali, Colombia, 1945: Locker and office units: plans (1/8" = 1'-0")

Colored crayons on paper

Graphite, red and blue pencil on off-white wove paper

Black ink on heavy white wove paper

Graphite on paper

Graphite on paper

Charcoal and watercolor on cream laid paper

Black ink and charcoal on cream modern laid paper

Charcoal, oil stick, acrylic, and Liquid Paper on white wove paper

Graphite on off-white wove paper

Ink and gouache on paper

Oil over graphite on cream wove paper

Charcoal on cream laid paper