Building Addition and Alterations, Philadelphia, 1944-1946: Scheme 3: floor plans and section (1/32" = 1'-0")

Black ink of off-white wove paper

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

Black and white chalk, white gouache and black ink on brown wove paper

Graphite on off-white wove paper

Charcoal on off-white laid paper

Watercolor on off-white wove paper

Turpentine wash with oil and oil crayon on cream laid paper

Graphite on paper

Beeswax, graphite, detritus and debris on wove paper

Watercolor over graphite on off-white illustration board

Watercolor over graphite on off-white wove paper

Black ink and black crayon over graphite on off-white laid paper