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

Black ink, brown fiber-tip ink and offset photolithograph on off-white wove ppr

Graphite on off-white wove paper

Watercolor on off-white wove paper

Charcoal on cream laid paper

Black ink, white gouache, and black crayon on off-white laid paper

Charcoal, graphite, lithographic crayon, and collage on architect's blueprint paper and burned paper (two panels)

Graphite on paper

Black ink on off-white wove paper

Black ink and black wash on off-white wove paper

Mixed media on paper

Colored crayon on brown illustration board

Black crayon and ink on paper