Eruption of Vesuvius in 1806

Black and red chalk, white gouache on white wove paper prepared with brown wash; verso: black chalk

Graphite on discolored (brown) white wove paper

Watercolor, black ink and graphite on cream wove paper, mounted to brown paper

Charcoal with scratchwork on white wove paper

Colored chalks on green wove paper

Graphite on white wove paper

Watercolor and graphite on white wove paper

Brown ink over graphite on off-white wove paper

Black ink, gray wash, traces of white chalk over black chalk on gray wove paper, with framing lines in graphite; verso: black chalk

Brown ink, brown wash and graphite on cream antique laid paper

Red chalk with some traces of graphite on off-white antique laid paper

Black and brown ink, brown wash on cream wove paper