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

Pastel on brown wove paper

Graphite on heavy off-white wove paper

Graphite on darkened off-white wove paper

Black ink on frosted mylar

Collage

Graphite on paper

Black ink, graphite, and yellow chalk on off-white wove paper

Black crayon and black ink on off-white wove paper

Graphite on off-white wove paper

Watercolor over graphite on heavy off-white wove paper

Graphite, red and blue ink on yellow lined wove notebook paper

Graphite on cream wove paper