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

Charcoal on Ingres charcoal paper

Graphite on paper

Watercolor over graphite on off-white wove card

Colored pencil and graphite on on white wove paper

Black, white, and red chalk on light green wove paper

Graphite on paper

Graphite on paper

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

Black ink and charcoal on cream laid paper

Charcoal on cream laid paper

Watercolor over graphite on off-white wove paper; verso: graphite

Charcoal and brown ink on cream wove paper, set down to blue-gray card