Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Revisions at rear of lot: plan and elevation (1" = 10'-0")

Graphite on paper

Graphite on off-white wove paper

Brown ink wash and graphite on white wove paper

Graphite on off-white wove paper

Ink on paper

Red, blue, and white colored pencil on tracing paper

Graphite on buff wove paper

Sketchbook with blue and white marbled cardboard covers

Turpentine wash with oil on off-white wove rag paper

Watercolor over graphite on gray-brown wove paper

Black ink on off-white wove paper

Crayon on paper