Building Addition and Alterations, Philadelphia, 1944-1946: Elevation and typical wall section (1/8" and 3/4" =1'-0")

Graphite on cream wove paper

Crayon on paper

Black ink on heavy light green wove paper

Graphite sketch on envelope, studies for

Watercolor over graphite on off-white wove paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Colored crayons on paper

Red and black chalk and black ink over graphite on heavy off-white wove paper

Graphite on off-white wove paper

Black crayon on thin ivory wove paper

Graphite on buff wove paper