Office and Factory Buildings, Cali, Colombia, 1945: Details: hose house plan, elevation, section (1/2" and 1'=1'-0")

Brown wash, watercolor, and white gouache on beige fabric

Watercolor and white gouache on cream wove paper

Graphite on paper

Charcoal and graphite on blue laid paper

Crayon(?), gouache(?), and watercolor on cream wove paper

Watercolor and graphite on layered off-white wove paper

Black ink and white-gray gouache on grayish-white textured wove paper

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

Graphite on off-white heavy wove paper

Graphite on paper

Graphite on off-white card

Watercolor over graphite on heavy off-white wove paper