Eruption of Vesuvius in 1806

Brown ink, brown wash over black chalk on white antique laid paper

Graphite on cream antique laid paper

Brown ink and brown wash on cream laid paper

Graphite on cream wove paper

Graphite on brown (greatly discolored) wove paper

Colored chalks on green wove paper

Graphite on cream antique laid paper

Brown ink over black chalk

Graphite on cream antique laid paper

Black chalk on cream wove paper

Brown ink on off-white wove paper

Brown ink and brown wash over black chalk on off-white antique laid paper