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 cream wove paper

Graphite on paper

Black pastel on off-white wove paper

Charcoal on off-white laid paper

Black, purple and brown crayon on paper

Colored crayons on paper

Graphite on heavy off-white wove paper

Watercolor and white gouache over graphite on buff wove paper

Black ink on cream wove paper

Black ink, black crayon and white gouache over graphite on off-white laid paper

Black ink on cream wove paper

Crayon and ink on paper