Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Revised trellis, paved terrace: plan, elevation, and section (1 1/2" = 1'-0" and full size )

Graphite on tracing paper

Black ink, graphite, and yellow chalk on off-white wove paper

Graphite on buff wove paper

Graphite on cream wove paper

Watercolor over graphite on off-white wove paper

Black ink on brown laid paper

Graphite on dark cream wove paper

Watercolor over graphite on off-white wove paper

Black ink on off-white wove paper

Watercolor and graphite on white wove paper

Watercolor, black ink and metallic paint over graphite on buff wove paper

Graphite on paper