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

Watercolor & white gouache on off-white wove paper, mounted overall to cardboard

Black crayon on tan wove paper

Graphite on paper

Black crayon on off-white wove paper

Black ink and graphite on off-white wove paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Black crayon on paper

Charcoal on brown wove paper

Album with black cloth-covered cardboard covers, and thirty drawings

Black ink and yellow chalk on off-white wove paper

Black ink on tan wove paper