Pennsylvania Pavilion for World's Fair, New York, 1939: Free-standing partitions and grating detail, (1/2" , 3" = 1'-0" and full size)

Graphite on off-white laid paper

Graphite on paper

Black ink on tan wove paper

Graphite

Black ink on off-white wove paper

Graphite on cream wove paper

Black ink and gray wash over graphite on off-white wove paper

Black ink and graphite on graph paper

Watercolor over graphite on white wove paper

Watercolor and graphite on off-white wove paper

Pastel on brown wove paper mounted on board

Black ink over graphite on off-white laid paper