Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Northwest elevation (proposed alteration) (1/4" = 1'0")

Black colored pencil on tan wove paper

Gouache on acetate film affixed to cardboard

Graphite and ink on paper

Graphite on paper

Watercolor over graphite on off-white wove paper

Watercolor, tempera, gouache, black chalk, and graphite, with touches of varnish(?) on off-white wove paper mounted to off-white-paper-covered gray board

Watercolor and graphite on white wove paper

Brown chalk on buff wove paper

Graphite on off-white wove paper, mounted to larger off-white wove paper

Black ink on cream wove paper

Watercolor over graphite on buff wove paper

Turpentine wash with oil on white board