Studies of a Cat; verso: Study of a horse's hoof

Black ink on tracing paper, darkened and mounted to laid paper

Graphite and black crayon on off-white antique laid paper; verso: black crayon

Graphite on off-white wove paper

Brown wash on cream wove paper

Black chalk, squared, on beige laid paper

Charcoal on white paper

Colored chalk on cream modern laid paper

Brown ink on thin tracing paper, darkened, and adhered to laid paper

Graphite on cream wove paper

Black ink and wash on beige paper

Charcoal and white chalk on gray laid paper