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

Purple and blue crayon on paper

Black ink on faded brown Japanese paper

Black ink on off-white wove paper

Graphite on paper

Graphite on off-white wove paper

Crayon on paper

Black crayon on paper

Graphite on off-white wove paper

Graphite on white wove paper

Watercolor and oil over graphite on off-white wove paper

Colored crayon with scratchwork on off-white illustration board

Crayon on paper