View of the Colosseum from the North

Brown ink, brown wash and graphite on cream laid paper, adhered along edges to a decorative mount

Brown wash over black chalk on cream antique laid paper; verso: black chalk

Brown and black ink, brown wash over black chalk on off-white wove paper, laid down

Brown ink and brown wash on cream wove paper

Graphite on white paper, border line in black ink

Brown ink, transparent and opaque watercolor, and black, white and red chalks on brown wove paper

Brown ink, gray and brown wash, and graphite on cream paper, borderline in black ink

Gray ink, gray wash, and graphite on off-white laid paper

Watercolor on off-white paper

Ink and watercolor on cream paper

Watercolor over graphite on white laid paper

Black ink and gray wash on off-white paper