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

Graphite on graph paper

Graphite on off-white wove paper

Graphite on off-white tracing paper

Watercolor over graphite on off-white wove paper

Graphite with charcoal on paper

Watercolor over graphite on off-white wove paper, mounted to card

Black ink and charcoal on cream laid paper

Graphite and blue and black crayon on off-white wove paper

Charcoal on cream laid paper

Watercolor and gouache over graphite on buff laid paper

Graphite on cream wove paper

Charcoal on off-white laid paper