Sketch of an Ox's Leg; verso: Sketch of an Ox in a Harness

Charcoal and sanguine on paper

Graphite and gray crayon on paper

Colored crayon on paper?

Colored pencil, graphite, opaque correcting fluid and photocopy on white wove paper

Watercolor and graphite on white wove paper

Blue ball-point ink on cream wove paper

Graphite on off-white wove paper

Black ink on translucent buff wove paper

Graphite on moderately textured white wove paper

Watercolor and graphite on heavy cream wove paper

Graphite on paper

Graphite and brown wash on cream wove paper