Office and Factory Buildings, Cali, Colombia, 1945: Plot plan and elevation (1" =50')

Graphite on off-white wove paper

Graphite on off-white wove paper

Graphite on paper

Graphite on off-white wove paper

Crayon on paper

Graphite on cream card

Transparent and opaque watercolor on off-white wove paper

Crayon on paper

Graphite and black crayon ; black crayon on paper

Ink, colored crayon, gouache, and graphite traces on off-white laid paper

Watercolor and graphite on cream wove paper

Black ink on off-white wove paper