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

Collage with multiple drawing media on cream wove paper

Black ink and graphite on thin off-white wove paper

Brown ink and wash and watercolor over graphite on buff card

Graphite on paper

Watercolor, pastel and charcoal, with some scoring, on white wove paper

Black ink on off-white wove paper

Black ink on cream wove paper

Watercolor over graphite on white wove paper

Black ink over graphite on gray wove paper

Graphite on off-white wove paper

Black ink and wash on off-white wove paper

Black ink on off-white wove paper