Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Plans (reflected) showing bathroom grilles (1/2" = 1'-0")

Graphite on thin off-white wove paper

Graphite on paper

Black ink, white gouache, and black crayon on off-white laid paper

Black ink, watercolor, and metallic paint over graphite on cream wove paper; album leaf: black ink and graphite

Black ink on tan wove paper (recto and verso)

Watercolor over graphite on off-white wove paper, mounted to off-white cardboard

Black ink with blue, red, and black ground pigments on off-white antique laid paper

Brown ink and brown wash on cream wove paper

Colored crayons on paper

Watercolor over graphite on off-white wove paper

Black ink on ivory laid paper

Black crayon on off-white laid paper