Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Scale indication for Chatillon Scale (full size)

Graphite on off-white wove paper

Graphite on off-white laid paper

Graphite on cream wove paper

Charcoal on blue laid paper

Watercolor on paper

Watercolor and white gouache over graphite on buff wove paper

Graphite, colored pencil, and ink on paper

Graphite, watercolor and gray wash on cream wove glossy paper

Charcoal and graphite on off-white wove paper

Graphite on off-white wove paper

Charcoal on gray-blue laid paper

Graphite on off-white wove paper