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

Graphite on off-white wove paper

Collage of gouache and black ink on paper

Black ink on tan wove paper

Colored crayons on paper

Graphite on off-white wove paper

Black ink on off-white wove paper

Blue felt-tip marker on thin off-white wove paper

Graphite on blue-flecked cream laid paper

Graphite on off-white wove paper

Crayon on paper

Graphite and colored pencil on paper

Graphite on off-white wove paper