Pennsylvania Pavilion for World's Fair, New York, 1939: Hall of Progress flooring, plan (1/4" = 1'-0" )

Charcoal and black crayon, with stumping, on off-white wove paper

Graphite on paper

Colored crayons on paper

Blue ink on cream wove paper

Graphite sketch on ruled paper

Graphite on off-white wove paper

Watercolor over graphite on off-white wove paper, mounted to card

Watercolor, white gouache and black chalk on blue paper mounted on board

Graphite and gray wash on white wove paper

Graphite on off-white wove paper

Crayon on paper

Oil on tracing paper