Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Pergola details: sections (3/4" = 1'-0")

Graphite on off-white wove paper

Graphite and colored pencil on graph paper

Black ink on off-white wove paper

Graphite on off-white wove paper

Ink on paper

Black, blue and brown crayon on paper

Black ink and graphite on thin buff wove paper

Brown marker on graph paper

Black ink on off-white wove paper

Watercolor over graphite on off-white wove paper

Graphite on paper

Watercolor, black ink, and wax on white wove paper