Building Addition and Alterations, Philadelphia, 1944-1946: Ground floor plan (1/8" = 1'-0")

Watercolor over graphite on off-white wove paper

Graphite and blue colored pencil on cream colored paper

Watercolor & white gouache on off-white wove paper, mounted overall to cardboard

Charcoal on off-white laid paper

Black ink on off-white antique laid paper

Watercolor over graphite on off-white wove paper

Graphite on darkened off-white wove paper

Ink and brown pencil on white wove paper

Black ink on off-white wove paper

Gray wash on off-white wove paper

Graphite on off-white wove paper

Charcoal on off-white wove paper; verso: graphite