Exit Owl, for "A Three-Sided Question," by Oliver Herford

Oil, watercolor and graphite on thin off-white wove paper

Charcoal and white chalk on buff wove paper

Watercolor over graphite on thin off-white wove paper

Watercolor on off-white wove paper

Charcoal on blue laid paper

Graphite and white gouache on off-white wove paper

Black and white chalk on gray wove paper

Graphite on off-white wove paper

Watercolor and white gouache over graphite on off-white wove paper

Watercolor over graphite on off-white wove paper

Pen and brown ink over graphite on off-white wove paper

Watercolor over graphite on off-white wove paper