Studies of Horses and Riders; verso: Studies of Bulls

Black ink and gray wash over graphite on cream paper

Black crayon on off-white laid paper

Black ink, gray wash, white and gray gouache with traces of black chalk on tan wove paper discolored to brown

Black ink, brown wash and graphite on cream antique laid paper, framing lines in graphite and black ink

Black chalk over graphite, squared in graphite, on white wove paper; verso: graphite, squared.

Watercolor and white gouache over graphite on cream wove paper

Brown ink on tracing paper, darkened and adhered to wove paper

Watercolor, gouache, and graphite on cream antique laid paper; verso: black chalk and brown wash

Brown ink and gray wash over graphite on cream wove paper

Watercolor and white gouache over graphite on three sheets of off-white wove paper

Graphite, squared, on tracing paper