Pennsylvania Pavilion for World's Fair, New York, 1939: Tower room: sections and details, (3/4" = 1'-0")

Black ink and graphite on thin buff wove paper

Watercolor and black ink on off-white wove paper

Sketchbook with cardboard covers and spiral wire binding

Graphite and black chalk on off-white wove paper

Graphite on paper

Graphite on off-white wove paper

Crayon on paper

Black ink on off-white tracing paper

Watercolor and black ink on heavy off-white wove paper

Graphite on paper

Charcoal on white paper

Graphite on off-white wove paper