Office and Factory Buildings, Cali, Colombia, 1945: Office unit: plan, elevations, section (1/16" and 1/8" = 1'-0")

Graphite on paper

Graphite on ivory paper mounted on card

Brown and ochre ink, varnished (?) in some areas, on handmade off-white Mexican bark paper

Watercolor over graphite on off-white wove paper

Black and colored chalks on brown laid paper

Watercolor and gouache on off-white wove paper

Graphite on paper

Graphite and gesso on paper

Mixed media on paper

Black ink on paper

Watercolor and graphite on heavy off-white wove paper

Black ink and graphite on commercially printed cream wove paper