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

Black ink and watercolor on off-white wove paper

Charcoal and graphite on off-white laid paper

Colored crayons on paper

Charcoal on buff laid paper

Graphite on darkened off-white wove paper

Red and black chalk on heavy off-white wove paper

Black crayon and ink on paper

Black ink on cream wove paper

Graphite on paper

Black crayon on paper

Graphite on paper

Graphite on tan wove paper