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

Black chalk on buff wove paper

Graphite on off-white wove paper

Charcoal and white chalk on green paper with collage of charcoal and white chalk on rust and blue paper

Colored crayons on paper

Crayon on paper

Graphite on paper

Graphite on cream wove paper

Watercolor over graphite on illustration board

Graphite on paper

Black ink on off-white wove paper

Watercolor over graphite on off-white wove paper

Charcoal on off-white laid paper