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

Graphite on off-white laid paper

Watercolor

Graphite on ruled notebook paper, mounted on heavy card

Graphite on paper

Black ink and graphite on off-white wove graph paper

Graphite on darkened off-white tracing paper

Graphite on cream wove paper

Graphite on off-white wove paper

Watercolor on paper

Black ink on white wove paper

Black ink on off-white wove paper

Graphite on paper