Building Addition and Alterations, Philadelphia, 1944-1946: Scheme B: plan

Crayon on paper

Charcoal on off-white laid paper

Transparent and opaque watercolor on off-white wove paper

Charcoal on blue laid paper

Graphite on off-white wove paper

Charcoal on off-white laid paper

Watercolor, wax crayon and red pencil on orange wove paper

Black crayon and ink on paper

Watercolor and white gouache over graphite on off-white wove paper

Black ink on thin off-white wove paper

Graphite on paper

Colored chalk and charcoal on pink laid paper