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

Watercolor over graphite on off-white wove paper, mounted to off-white cardboard

Oil on very thin, fibrous paper, set down on heavier paper

Transparent and opaque watercolor, pastel, and graphite on heavy off-white wove paper

Graphite on off-white laid paper

Graphite on off-white wove paper

Graphite on paper

Black ink on translucent buff wove paper

Charcoal on beige laid paper

Graphite and pastel on off-white wove paper

Watercolor and charcoal on off-white wove paper

Black ink on off-white wove paper

Watercolor over graphite on off-white wove paper