Tailpiece for "A Three-Sided Question," by Oliver Herford

Charcoal on off-white laid paper

Transparent and opaque watercolor and graphite on off-white wove paper

Charcoal on blue laid paper

Charcoal and graphite on off-white laid paper, verso: charcoal

Graphite and brown wash on off-white wove paper

Black pencil on off-white wove paper; verso: brown pencil

Graphite on off-white wove paper

Watercolor on off-white wove paper

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

Graphite and white gouache on darkened off-white wove paper

Graphite on slightly darkened off-white wove paper

Graphite on off-white wove paper