Pennsylvania Pavilion for World's Fair, New York, 1939: Steel rail columns: details, (3/4" ,6" = 1'-0")

Charcoal on off-white laid paper

Graphite on buff wove paper

Watercolor on off-white wove paper

Transparent and opaque watercolor and graphite on white wove paper

Graphite and blue pencil on off-white wove paper

Red chalk on off-white laid paper

Black ink on off-white wove paper

Charcoal and watercolor with white crayon on off-white wove paper

Crayon on paper

Black ink and graphite on thin buff wove paper

Graphite on paper

Watercolor and gouache on darkened cream wove paper