Pennsylvania Pavilion for World's Fair, New York, 1939: Suspended aluminum bridge: plan, elevations, section, (1/8" = 1'-0")

Watercolor, graphite and collage on cream wove paper (recto and verso)

Graphite on off-white wove paper

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

Graphite on paper

Graphite on ivory laid paper

Graphite on cream wove paper

Graphite on off-white wove paper

Graphite on paper

Watercolor over graphite on heavy off-white wove paper

Graphite on paper

Enamel on offset lithograph

Graphite on off-white wove paper