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

Ink wash, black chalk, graphite, and white gouache on cream laid paper

Graphite and ink on paper

Charcoal on blue laid paper

Crayon on paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Watercolor and graphite on paper

Graphite on heavy cream wove paper

Graphite on off-white wove paper

Black, white and red chalks on gray paper

Graphite on white wove paper

Red chalk on illustration board