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

Graphite on off-white wove paper

Graphite on paper

Graphite powder and incised lines on Japanese paper

Watercolor and white gouache on off-white wove paper

Crayon on paper

Graphite on paper

Graphite and colored pencil on paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Sketchbook with beige cloth-covered cardboard covers

Black ink on two joined sheets of green prepared paper

Watercolor and graphite on off-white wove paper