Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Upper pool: plan and sections

Pastel over traces of charcoal on gray wove paper

Oil on very thin, fibrous paper, set down on heavier paper

Watercolor on Indian paper

Black crayon on off-white laid paper

Graphite on off-white wove paper

Colored crayons on paper

Black ink on off-white wove paper

Mixed media on paper

Turpentine wash with oil on white board

Charcoal and purple and white chalk on brown wove paper

Watercolor over graphite on off-white wove paper, mounted to off-white card

Purple and black ink on off-white wove paper (surface losses and adhered paper residues occurred in artist's studio)