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

Graphite on tan wove paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Gouache and graphite on white Fome-Cor

Charcoal and purple chalk on brown wove paper

Black pen and ink on yellow-cream, machine made, wove paper

Graphite on cream paper

Drawing scratched on slide film, hand colored

Watercolor on off-white wove paper

Graphite on off-white wove paper

Crayon and graphite on off-white wove paper

Black crayon and graphite on thin darkened off-white wove paper