Pennsylvania Pavilion for World's Fair, New York, 1939: Hall of Progress: sections, (1/2" = 1'-0")

Crayon on paper

Graphite, black crayon and ink on paper

Graphite on off-white wove paper

Graphite on paper

Colored pencil and metalpoint with incised lines on white wove paper

Graphite on off-white wove paper

Graphite on paper

Graphite on off-white wove paper

Black ink, graphite, and yellow chalk on off-white wove paper; verso: black ink

Graphite on paper

Charcoal on blue laid paper

Typed colon marks on black carbon paper