Sketches for "Prison: The Enemy Of Society," for a Harper's Magazine Cover

Graphite and black ink on off-white wove paper

Graphite on paper

Black chalk and charcoal on off-white laid paper

Charcoal on faded blue laid paper

Graphite on paper

Black ink on off-white wove paper

Black ink, graphite, and yellow chalk on off-white wove paper

Oil and alkyd on board

Graphite and charcoal; verso: charcoal and graphite

Opaque watercolor on purple construction paper

Black ink and gray wash on tan wove paper

Brown chalk on buff wove paper