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

Graphite on off-white wove paper

Crayon on paper

Black ink on tan wove paper

Graphite on paper

Graphite on cream wove paper

Transparent and opaque watercolor on off-white wove paper

Graphite on paper

Graphite on off-white wove paper

Pastel on brown wove paper mounted on board

Graphite on off-white wove paper

Ink over graphite on tracing paper

Black ink on brown laid paper