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

Graphite on off-white wove paper

Colored pencil on paper

Charcoal on faded blue laid paper

Charcoal on blue laid paper

Sketchbook with black-leather-covered cardboard covers

Conté crayon, charcoal, graphite, and collaged paper on white wove paper

Collage of found cardboard and crayon

Black and red crayon on thin off-white wove paper

Gouache and black ink on brown wove paper

Red chalk and brown watercolor on tracing paper; verso: black chalk

Graphite on paper

Watercolor and red ink lines on white wove paper