Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Receivador in rear door #101: elevation, section, and detail (1" =1'-0")

Charcoal and oil paint on cream wove paper

Graphite and beeswax on wove paper

Black ink on off-white wove paper, mounted to tissue, mounted to an index card, taped to off-white cardboard.

Dyes, opaque water-based paint, pastel and metallic powder on thick white wove paper

Watercolor and graphite on off-white wove paper

Charcoal on off-white laid paper

Charcoal on off-white laid paper

Watercolor and white gouache over graphite on cream wove paper

Colored crayons on paper

Graphite on cardboard

Graphite and black ink on off-white wove paper (recto and verso)

Graphite on paper