Pennsylvania Pavilion for World's Fair, New York, 1939: Bell tower flooring plan, (3/4" = 1'-0")

Black crayon on paper with irregular lower edge

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

Watercolor over graphite on white wove paper

Opaque watercolor on purple construction paper

Black ink on off-white wove paper

Watercolor on buff wove paper

Graphite on off-white wove paper

Crayon on paper

Black ink on slide film, hand colored

Graphite on paper

Black ink on off-white wove paper

Oilstick on white wove paper