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

Charcoal on cream laid paper

Graphite and watercolor on heavy off-white wove paper

Black crayon on paper with irregular lower edge

Graphite on ivory laid paper

Graphite on paper

Pastel on composition board

Graphite on off-white wove paper

pen and ink sketch on ruled notebook paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Watercolor over graphite on off-white wove paper

Graphite on paper