Good-Bye, from "The Merry Mongoose," by Helen Hay

Graphite on off-white wove paper

Black and white chalk on blue-gray wove paper

Watercolor and gouache on off-white wove paper

Watercolor over graphite on heavy cardboard, waxed

Graphite on off-white wove paper

Graphite on buff wove paper

Charcoal on blue laid paper

Charcoal and graphite on blue laid paper

Graphite on beige laid paper

Sketchbook with brown, blue, and red marbled paper-covered cardboard covers

Graphite on off-white wove paper

Charcoal on off-white wove paper; verso: graphite