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

Crayon on paper

Watercolor on off-white wove paper

Black ink and charcoal on cream laid paper, edges taped

Transparent and opaque watercolor on white wove paper

Black ink and graphite on off-white wove paper

Graphite on off-white wove paper

Black ink and wash on off-white wove paper

Watercolor on off-white wove paper

Charcoal and graphite on illustration board

Black ink over graphite on cream board

Graphite on off-white wove paper

Charcoal on heavyweight gray wove paper