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

Colored crayons on paper

Watercolor over graphite on off-white wove paper

Watercolor and white gouache on cream wove paper

Graphite on cream wove paper

Graphite on paper

Black and white chalk on green laid paper

Charcoal on off-white laid paper

Charcoal on joined and folded off-white paper

Handmade dyed paper, watercolor and thread collage

Graphite on off-white wove paper

Graphite on paper

Black, brown, blue and purple crayon on paper