Office and Factory Buildings, Cali, Colombia, 1945: Office unit: construction and millwork details (1/4", 1", 1 1/2" and 6" = 1'-0")

Black ink and graphite on heavy off-white wove paper

Graphite on off-white wove paper

Pastel on paper

Wax, charcoal and rust on two (?) sheets of translucent vellum paper

Black ink and wash on ivory wove paper

Black ink and graphite on commercially printed cream wove paper

Graphite on off-white wove paper

Off-white card

Charcoal and watercolor on off-white laid paper

Watercolor and black ink on illustration board

Watercolor over graphite on off-white wove paper

Charcoal on blue laid paper