Study of a Wolf's Head; verso: Partial Study of an Ox

Colored marker on paper

pen and black ink, brush and gray and green wash, blue watercolor, charcoal on off-white laid paper

Watercolor and graphite on cream wove paper

Ink and wash on paper

Black ink on ivory laid paper

Brown ink and brown wash over black chalk on white paper, laid down

Black ink on heavy off-white wove paper

Graphite on off-white tracing paper

Colored marker and blue pen on paper

Graphite and colored chalk on paper

Red chalk on cream antique laid paper, partial framing lines in brown ink and graphite

Brown ink on ivory wove paper