Office and Factory Buildings, Cali, Colombia, 1945: Office unit: plans, elevations, details (1 1/2" = 1'-0")

Black crayon on paper

Crayon and graphite on brown wove paper

Black ink on off-white wove paper

Red chalk on off-white wove paper

Graphite on oiled buff laid paper

Black ink on cream wove paper; verso: black ink, blue watercolor, and green and orange crayon

Sketchbook with cardboard backing, heavy paper cover, and spiral wire binding

Watercolor on off-white wove paper

Watercolor over graphite on heavy off-white wove paper

Colored crayons on paper

Black ink on off-white wove paper