Letter from R. Osborn to Jean & Sandra Davidson with Caricature of Longfellow

Dark brown ink on white wove paper

Charcoal on cream laid paper

Graphite on off-white wove paper

Graphite, white gouache and pink watercolor on off-white wove paper

Watercolor and graphite on cream wove paper

Graphite on acrylic ground on white wove paper

Graphite on tracing paper

Watercolor and black chalk on heavy off-white wove paper

Charcoal and purple and white chalk on brown wove paper

Watercolor and graphite on white wove paper

Blue ball-point ink on cream wove paper

Graphite on off-white wove paper