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

White and black conté crayon on tan cardboard

Graphite on paper

Graphite, pastel and gunpowder on white paper

Ink on paper

Graphite on paper

Graphite on off-white tracing paper

Charcoal on off-white laid paper

Watercolor and black ink on off-white wove paper

Crayon on paper

Watercolor and white gouache with scratchwork on off-white card, mounted to off-white cardboard

Watercolor, white gouache and black ink on off-white wove card

Black ink on off-white wove paper