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

Crayon on paper

Black ink, black crayon, and white gouache on off-white laid paper

Charcoal and graphite on off-white wove paper

Graphite and gray wash on off-white wove paper

Graphite on off-white wove paper

Graphite, black ink, blue and yellow chalk on off-white wove paper

Graphite, black ink, and blue ball-point ink on off-white wove graph paper

Graphite on paper

Graphite on paper

Graphite on off-white wove paper

Graphite on paper

Watercolor over graphite on off-white wove paper