Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Alternate flashing section (full size)

Watercolor and graphite with scratchwork on off-white wove paper

Charcoal on off-white laid paper

Red, white, black and brown conté crayon on gray wove paper

Crayon on paper

Black ink and charcaol on cream laid paper

Charcoal on paper

Charcoal on off-white laid paper

Graphite on thin off-white wove paper

Graphite wash, watercolor and black crayon on off-white wove paper

Black ink over graphite on off-white wove paper

Black ink and graphite on tan wove paper; verso: black ink

Black ink, black crayon, and graphite on off-white cardboard