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

Black and gray ink, gray and brown wash, and graphite on cream wove paper

Black ink on cream wove paper

Ink on paper

Lithographic crayon on cream coated wove paper

Colored crayons on paper

Black ink, graphite, and yellow chalk on off-white wove paper

Black crayon on paper

Black chalk on off-white wove paper

Black ink, graphite, and charcoal on off-white wove paper; verso: graphite

Crayon on paper

Charcoal, black ink, and colored pencil on cream laid paper

Graphite on off-white wove paper