Office and Factory Buildings, Cali, Colombia, 1945: Office unit: construction and millwork details (1/4", 1", 1 1/2" and 6" = 1'-0")

Brown ink wash and graphite on white wove paper

Black crayon on off-white wove paper; verso: graphite wash and graphite

Watercolor and graphite on off-white wove paper

Black ink on tan wove paper

Graphite on off-white wove paper

Black crayon on paper

Black ink on white wove paper

Watercolor and black ink on white laid paper

Colored crayon on brown wove paper

Charcoal on blue laid paper

Metallic paint, watercolor, and black ink over graphite on cream wove paper; album leaf: graphite

Graphite on paper