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

Graphite on cream wove paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Black ink, graphite, and yellow chalk on off-white wove paper; verso: black ink

Opaque watercolor over graphite on tan illustration board, prepared with white ground

Charcoal on cream laid paper

Red and brown chalk on off-white wove paper

Charcoal, gouache (or poster paint), and crayon on buff wove paper

Cloth bound sketchbook

Graphite on off-white wove paper

Pen and ink and brush on white wove paper

Crayon and graphite on pieced paper