Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Front entrance, details (1/2" , 1 1/2" , and 6" = 1'0")

Incised line and Aquarelle on white wove paper

Graphite on paper

Turpentine wash with oil on off-white wove rag paper

Graphite on off-white wove paper

Gray wash on buff board

Watercolor on off-white wove paper

Black crayon on paper

Graphite on paper

Watercolor and graphite on heavy off-white wove paper

Colored pencil and charcoal on cream laid paper

Graphite and white pastel on gray-green wove paper

Black ink with extensive scratchwork on white scratchboard