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

Sketchbook with beige cloth covers and Fabriano paper pages

Black ink on off-white wove paper

Graphite on paper

Graphite on off-white wove paper

Mixed media on paper

Black ink, graphite, and colored chalk on cream wove paper

Watercolor and graphite on off-white wove paper

Black ink on off-white wove paper

Graphite on off-white wove paper

Watercolor over graphite on off-white laid paper

Watercolor over graphite on off-white wove paper