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

Graphite on off-white wove paper

Oil on tracing paper

Crayon on paper

Black ink, white gouache, and black crayon on off-white laid paper

Black ink on off-white rag wove paper mounted overall to heavy cream wove paper

Graphite on off-white wove paper mounted to off-white wove paper

Graphite on off-white wove paper

Black ink and graphite on off-white wove paper

Gouache over graphite on off-white wove paper

Graphite on paper

Graphite on ivory wove paper

Graphite on off-white wove paper