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

Graphite and black ink on tan wove paper

Charcoal on buff wove paper

Graphite on paper

Colored crayons on paper

Black ink on tan wove paper

Watercolor over graphite on off-white wove paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Black crayon on paper

Black ink with brown and black chalk on cream laid paper

Gouache on two pieces of Japanese paper, mounted on black board

Graphite on paper