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

Watercolor over graphite on off-white wove paper

Graphite on off-white wove paper

Black ink, gray wash over graphite on heavy cream wove paper

Watercolor over graphite on off-white illustration board

Graphite on paper

Graphite on paper

Graphite on cream wove paper

Graphite on ivory laid paper

Graphite on paper

Black ink and charcoal on cream laid paper

Pastel on buff wove paper

Crayon on paper