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

Graphite on paper

Graphite on paper

Black ink on off-white wove paper

Watercolor over graphite on off-white wove paper

Graphite on white wove translucent paper

Graphite on off-white wove paper; verso: charcoal

Graphite on heavy cream wove paper

Charcoal and graphite on off-white laid paper

Black crayon and ink on paper

Watercolor and white gouache on off-white wove paper

Graphite on off-white wove paper