Office and Factory Buildings, Cali, Colombia, 1945: Plot plan and elevation (1" =50')

Graphite and colored chalk on gray-green wove paper

Watercolor and white gouache on off-white wove paper

Black ink, white gouache, and black crayon on off-white laid paper

Black ink and oil on thin off-white wove paper, mounted on ivory wove paper

Watercolor over graphite on buff board

Graphite on off-white wove paper

P.Edinburgh-28 July-7 Sept.'94

Graphite on off-white wove paper

Black ink on off-white wove paper

Brown ink on off-white wove paper

Black ink on white wove paper

Black ink on off-white wove paper