Untitled [Train on a High Bridge]; verso: Untitled [Houses]

Charcoal and graphite on illustration board

Charcoal on blue-beige laid paper

Crayon on paper

Graphite on off-white wove paper

Graphite on heavy cream wove paper

Black tempera on cream machine-made wove paper, mounted to off-white laid paper

Charcoal on off-white wove paper

Graphite and ink on paper

Metalpoint on white paperboard prepared with white gesso

Watercolor over charcoal? on off-white wove paper

Leather bound sketchbook

Black ink over graphite on modern laid paper