Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Perspective from corner of southwest terrace toward corner pavilion showing concealment of neighbor's garage

Black ink and blue gouache on off-white card

Watercolor on cream wove paper

Watercolor over graphite on white wove watercolor paper

Charcoal on cream wove paper

Graphite and graphite wash on layered translucent vellum paper

Charcoal on cream laid paper

Collage (paper and metallic foil) on handmade paper

Watercolor and graphite on off-white wove paper

Watercolor over graphite on illustration board

Ink on paper

Black ink and yellow chalk on off-white wove paper

Graphite on paper