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

Black conté crayon on cream wove paper

Graphite on gray-green wove paper

Graphite on off-white wove paper

Watercolor over graphite and black crayon on off-white wove paper

Red-orange and yellow-green crayon, and graphite on off-white wove paper

Black crayon and graphite on thin darkened off-white wove paper

Turpentine wash with oil on off-white board

Black crayon on tan wove paper

Black ink on off-white wove paper

Black ink and gray wash on ivory paper laid down on white board

Charcoal, oil stick, acrylic, and Liquid Paper on white wove paper

Watercolor over graphite on off-white wove paper