Studies of Leaves; verso: Skull of an Animal

Purple chalk on cream modern laid paper

Graphite and black chalk on off-white antique laid paper

Graphite on gray paper

Brown ink and graphite on cream wove paper

Black ink and graphite on white wove paper

Sketchbook with tan cloth covers

Watercolor over graphite on off-white wove paper

Graphite on heavy cream wove paper

Watercolor

Black ink on thin off-white wove tissue, darkened with the addition of an unknown substance (possibly oiled?), mounted on ivory wove paper

Black, red, and white chalk, watercolor, graphite, and touches of white gouache on cream wove paper

Black ink over graphite on board