Building Addition and Alterations, Philadelphia, 1944-1946: Plan

Graphite on off-white wove paper

Charcoal and purple and white chalk on brown wove paper

Charcoal on cream wove paper

Graphite on off-white wove paper

Red tempera on acetate

Charcoal on off-white laid paper

Ink on paper

Black ink and charcoal on buff wove paper

Watercolor over graphite on off-white wove paper

Graphite on paper

Paintstick on heavy cream Japanese wove paper

Gray pastel with incised lines on white wove paper