View of the Battlements of Grottaferrata with Mount Cavo in the Background

Black ink on tracing paper, darkened and mounted to laid paper

Black crayon over graphite, squared in graphite, on off-white antique laid paper; verso: black crayon

Black crayon on off-white antique laid paper

Brown ink, brown wash, and traces of graphite on cream wove paper

Black chalk on light gray paper, unframed

Brown ink on cream paper, laid down on beige paper

Graphite on thin white wove paper.

Pastel

Watercolor and graphite on cream laid paper

Graphite on cream wove paper, darkened

Graphite, watercolor and black ink on off-white wove paper