The Crocodile Holding a Letter, for "The Crocodile," by Oliver Herford

Graphite on gray-green wove paper

Graphite on off-white wove paper

Watercolor on off-white wove paper

Graphite on off-white wove paper

Charcoal on blue laid paper

Graphite and brown wash on cream wove paper

Graphite and black and white chalk on blue-gray wove paper

Graphite on cream wove paper pastedown of sketchbook cover

Graphite on cream wove paper, darkened

Watercolor and gouache over graphite on off-white wove paper

Watercolor over graphite on cream wove paper

Watercolor over graphite on off-white wove paper