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

Graphite on paper

Ink and graphite on paper

Black ink on off-white wove paper

Graphite on off-white wove paper

Graphite on paper

Black ink on slide film, hand colored

Graphite on paper

Gouache over graphite on off-white wove paper

Crayon on paper

Black and white chalk on darkened buff laid paper

Black crayon on paper

Acrylic on off-white wove paper