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

Acrylic and graphite on white wove paper

Black crayon and ink on paper

Graphite on dark cream laid paper

Watercolor and graphite on cream wove paper

Graphite on off-white wove paper

Red and black chalk on off-white tracing paper

Black crayon on cream wove paper

Watercolor on darkened off-white wove paper

Graphite on paper

Blue and black ink and blue ball point pen on onionskin

Brown ink and graphite on off-white wove paper

Watercolor over black chalk on off-white wove paper