Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Workshop #04: plan and elevations (1/2" = 1'-0")

Watercolor on off-white wove paper

Graphite on cream colored-paper industrially-lined paper in a wire bound notebook with printed, coded, brown cardboard.

Red chalk on off-white wove paper

Watercolor on paper

Red, blue, and white colored pencil on tracing paper

Graphite on translucent vellum paper

Black ink on white wove paper

Graphite on gray wove paper

Graphite on off-white paper

Watercolor and oil on white wove paper

Pen and ink on white wove paper

Graphite, gouache, crayon, and silver and black ink on white wove paper