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

Gouache on blue wove paper?

Black ink on tan wove paper

Graphite on off-white card

Graphite on tracing paper

Black ink on heavy brown wove paper

Black ink on machine made rag wove paper

Colored pencil on paper

Blue and black ink and blue ball point pen on onionskin

Watercolor over graphite on off-white wove paper, mounted to off-white card

Black ink on tan wove paper; verso: black ink and blue watercolor

Graphite on paper

Gouache on cream wove paper