Office and Factory Buildings, Cali, Colombia, 1945: Office unit: plans (1/8" = 1'-0")

Oil on prepared paper

Sketchbook with cardboard covers and spiral wire binding

Rag/newsprint collage: acrylic paint and pigment on textured white wove paper

Graphite on off-white wove paper

Charcoal on off-white laid paper

Graphite on paper

Graphite on off-white wove paper

Gouache on cream wove paper

Black-brown ink on white wove paper

Watercolor over graphite on off-white wove paper

Watercolor on ruled off-white wove paper

Black ink on tan wove paper