Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Glass for bathtub: plan (1/4" = 1'-0")

Gouache on very heavy wove paper

Watercolor over graphite on off-white wove paper

Graphite on paper

Gouache on blue wove paper?

Gouache and graphite on white Fome-Cor

Colored crayon on black illustration board

Black ink, graphite, and yellow chalk on off-white wove paper

Pastel over traces of charcoal on gray wove paper

Colored chalk, graphite, metallic pigments, colored pencil on off-white wove paper (lined notebook paper), adhered to Japanese paper with cellophane tape and metal fasteners

Graphite on off-white paper

Watercolor and graphite on off-white wove paper

Colored pencil on cream laid paper