Office Unit and Factory Building, Greensboro, North Carolina, 1944-1946: Section through west stairs (1/4" = 1'-0")

Black ink on off-white wove paper

Graphite on off-white wove paper

Black ink on off-white wove paper

Charcoal with erasure and stumping on off-white wove paper

Watercolor and graphite on off-white tracing paper mounted to cardboard

Graphite on buff wove paper

Watercolor over graphite on off-white wove paper

Black ink on off-white wove paper

Incised line and Aquarelle on white wove paper

Graphite on off-white wove paper

Graphite on paper

Watercolor on white paper