Office and Factory Buildings, Cali, Colombia, 1945: Office unit: plans, elevations, details (1 1/2" = 1'-0")

Graphite on paper

Collage of cut and printed colored papers mounted to brown coated paper

Ink on paper

Brown ink and wash and watercolor over graphite on buff card

Graphite on off-white wove paper

Black ink and graphite on white wove paper, cut and mounted to board, with colored pencil and graphite

Graphite on paper

Graphite on cream laid paper

Ink and graphite on commercially ruled, hole punched paper

Watercolor, graphite, and ink on paper

Graphite on off-white wove paper

Black ink, graphite, and yellow chalk on off-white wove paper