Office and Factory Buildings, Cali, Colombia, 1945: Elevations (1/16" = 1'-0")

Charcoal and red crayon (?) on off-white wove paper

Black ink on gray-green laid paper, set down overall to brown cardboard

Brown ink and wash over graphite on ivory wove paper

Collage with watercolor, distemper, graphite and paper on brown wove paper

Collage (paper and metallic foil) on handmade paper

Charcoal on off-white laid paper

Black ink on ivory laid paper

Black ink on off-white wove paper (recto and verso)

Colored crayons on paper

Black crayon and ink on paper

Graphite on off-white wove paper (recto and verso)

Black ink on off-white wove paper