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

Opaque watercolor and black ink on white wove paper

Graphite on white wove paper

Graphite on tan wove paper

Charcoal on cream laid paper

Watercolor and gouache over graphite on off-white cardboard

Graphite on paper

Ink on paper

Graphite on off-white laid paper

Graphite on paper

Crayon on paper

Graphite on trace paper

Colored chalk and beige gouache on buff wove paper