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" )

Gouache and black ink on brown wove paper

Graphite on off-white wove paper

Graphite on cream paper, mounted to heavy cardboard (?)

Graphite on paper

Crayon on paper

Watercolor and graphite on white wove paper

Watercolor over graphite on off-white wove paper

Graphite on off-white wove paper

Watercolor and black ink on heavy white wove paper

Gouache on off-white wove paper

Colored pencil on off-white wove paper

Black ink on tan wove paper