Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Exterior stone through main entrance; part of northwest elevation (1/2" and 1/4" = 1'0")

Graphite on off-white tracing paper

Graphite on off-white laid paper

Colored pencil on paper

Watercolor on cream card

Watercolor over graphite on off-white wove?

Crayon on paper

Black ink, graphite, and yellow chalk on cream wove paper

Orange marker on graph paper

Black ink, graphite, and yellow chalk on off-white wove paper; verso: black ink

Watercolor and gouache on paper

Brown ink on off-white wove paper

Acrylic and oil stick on three (?) layers of white wove paper