Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Suggested shell, Wendel Urn: details (full size)

Graphite on buff wove paper

Graphite on off-white wove paper prepared with pink watercolor

Acrylic, graphite, and computer print-out on off-white wove paper

Black ink on off-white wove paper

Graphite on cream Japanese paper

Charcoal on cream laid paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Graphite on paper

Graphite on blue-flecked gray laid paper

Gouache on acetate film affixed to cardboard

Black ink on cream wove paper