Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Section through pool wing (1 1/2" = 1'-0")

Graphite on cream wove paper

Watercolor, black ink, pastel, crayon, and wax on blue wove paper, faded to white

Pastel on off-white illustration board

Graphite on buff wove paper

Black ink on tan wove paper

Charcoal, oil stick, acrylic, and Liquid Paper on white wove paper

Graphite on off-white wove paper

Graphite on paper

Graphite on paper

Pastel and black chalk on off-white wove paper

Mxed media on paper mounted on wood panel

Graphite on cream wove paper