Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Revision of wall between pool and recreation room: elevation, sections and details (1/2" , 1 1/2" , and 3" =1"-0" )

Graphite on off-white wove paper

Charcoal on brown wove paper

Incised line and Aquarelle on white wove paper

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

Watercolor on off-white wove paper

Charcoal and purple and white chalk on brown wove paper

Black ink and yellow chalk on off-white wove paper

Sketchbook with black-and-white marbled cardboard covers

Charcoal on off-white laid paper

Graphite on off-white wove paper

Black ink on off-white wove paper

Graphite on off-white wove paper