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

Watercolor, tempera, gouache, black chalk, and graphite, with touches of varnish(?) on off-white wove paper mounted to off-white-paper-covered gray board

Black fiber-tip ink on buff wove paper

Graphite on paper

Graphite on paper

Brown ink and brown wash on cream moderately textured wove paper

Graphite on thin off-white wove paper

Black ink on ivory laid paper

Graphite on tan wove paper; graphite on tan wove paper

Graphite on paper

Black ink and white gouache on thin off-white laid paper

Black ink over graphite on off-white wove paper

Graphite on paper