Building Addition and Alterations, Philadelphia, 1944-1946: Levels for proposed track and roadway (1/20" = 1'-0")

Black ink and graphite on thin buff wove paper

Colored crayon on paper?

Graphite on white wove paper

Transparent watercolor and black ink on cream wove paper

Watercolor and graphite on off-white wove paper

Graphite, black ink and bleach on beige wove paper

Watercolor on off-white wove paper, mounted to off-white cardboard

Watercolor and black ink on heavy white wove paper

Watercolor on cream wove paper

Watercolor over graphite on cream wove paper

Pastel on brown wove paper mounted on board

Graphite on off-white wove paper