Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Bathrooms: plans and elevations (1/2" =1'0")

Charcoal and purple and white chalk on brown wove paper

Black ink on off-white wove paper

Graphite and blue crayon on off-white wove paper

Graphite on paper

Crayon on paper

Black ink on darkened off-white wove paper

Pastel on cardboard

Watercolor, gouache and black chalk on off-white wove paper mounted on cardboard

Graphite on paper

Black, white and red chalks on gray paper

Crayon on paper

Graphite on paper