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

Watercolor on paper

Charcoal on cream laid paper

Watercolor over graphite on off-white wove paper

Graphite on heavy cream wove paper

Gouache and black crayon (?) on cream wove paper

Charcoal, oil stick, acrylic, and Liquid Paper on white wove paper

Charcoal on white rough-finished Bristol board

Graphite on paper

Charcoal on cream laid paper

Blue ball-point ink on cream wove paper

Watercolor and white gouache over graphite on off-white wove paper