Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Third floor plan

Graphite on gray-green wove paper

Charcoal on off-white laid paper

Black and white conté crayon on pale green wove paper

Watercolor over graphite on off-white wove paper

Black crayon on thin ivory wove paper

Graphite and charcoal on paper

Graphite on paper

Silverpoint on acrylic gesso ground on Strathmore paper

Graphite on off-white wove paper

Watercolor and white gouache on off-white wove paper

Black crayon on paper