Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Plot plan with retaining wall details, (1" =20' and 1/4" = 1'-0")

Graphite on paper

Black crayon and ink on paper

Casein and black and blue crayon on off-white card

Colored crayon on paper and mounted

Watercolor on cream wove paper

Black ink, graphite, and wax crayon on graph paper

Watercolor on thin off-white wove paper

Charcoal on cream laid paper

Watercolor, black ink, and charcoal on cream modern laid paper, edges taped

Graphite on paper

Graphite on translucent vellum paper, blue ballpoint ink on the verso

Black ink and graphite on cream wove paper; verso: black ink, graphite, and red crayon