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" )

Black crayon on paper

Crayon on paper

Watercolor on off-white wove paper

Graphite on off-white wove paper

Ink, colored crayon, gouache, and graphite traces on off-white laid paper

Graphite and crayons on off-white tracing paper

Black ink over graphite on cream paper mounted to board

Charcoal on off-white laid paper

Graphite on off-white wove paper

Black ink and tempera on off-white paper, mounted overall to tan-paper-covered gray board

Watercolor over graphite on off-white wove paper

Graphite on paper