Study of a Wolf's head; verso: Partial Studies of Oxen

Red, black, and white chalk on buff wove paper

Crayon on paper

Black marker and pen and opaque watercolor on paper

Graphite and prepared black chalk on thin off-white wove paper

Graphite on off-white laid paper

Graphite and transparent watercolor on cream wove paper, darkened

Charcoal on off-white laid paper

Graphite and red pencil on paper

Graphite on paper

Black chalk and gray wash, with a framing line in brown ink, on cream antique laid paper; figures at lower left and wash in sky at upper left are later additions

Watercolor on heavy off-white wove paper

Charcoal, oil stick, acrylic, and Liquid Paper on white wove paper