Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Stairs at swimming pool: plans, elevations, sections (3/4" =1"-0" )

Charcoal on blue wove paper

Colored crayons on paper

Graphite on off-white wove paper

Graphite on paper

Graphite on paper

Album with green cloth-covered cardboard covers

Chalk on paper

Black ink on slide film, hand colored

Charcoal, oil stick, acrylic, and Liquid Paper on white wove paper

Graphite on off-white wove paper, mounted to buff wove paper

Black ink and white-gray gouache on grayish-white textured wove paper

Black ink and charcoal on cream laid paper