Pennsylvania Pavilion for World's Fair, New York, 1939: Hall of Progress, strap hangers: elevations and plan (1/2" , 3" = 1'-0" )

Black ink and purple watercolor, with touches of white gouache, on off-white wove paper; verso: black ink and graphite

Graphite on cream wove paper mounted to buff wove paper

Graphite on paper

Black ink and charcoal on cream laid paper

Watercolor on brown paper

Black ink, charcoal, and watercolor on cream laid paper

Transparent and opaque watercolor over graphite on white wove paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Graphite on darkened off-white wove paper

Watercolor over graphite on darkened off-white wove paper

Graphite on paper