Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Pergola - Upper garden: plan and elevations (1/2" = 1'-0")

Ink on paper

Gouache on off-white laid paper

Graphite and acrylic on white wove paper

Graphite and black crayon on off-white wove paper

Watercolor and white crayon on off-white wove paper, mounted to cardboard

Crayon on paper

Graphite on paper

Graphite on paper

Watercolor and Chinese ink on white wove paper

Black ink and watercolor on off-white wove paper

Crayon on paper

Watercolor and white gouache over graphite on off-white wove paper