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

Prepared chalk on two pieces of tan wove paper

Watercolor over graphite and gray ink on cream wove paper, darkened, crumbling along edges, laid down to the cover of a Louvre publication of the "Collection Sauvageot" by Edouard Leìvre.

Graphite and gray-blue and brown watercolor on cream modern laid paper; verso: graphite

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

Black crayon, squared in black crayon, on off-white antique laid paper

Brown wash on light tan wove paper

Graphite on buff wove paper, darkened.

Graphite on cream laid paper

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

Gouache on cardboard

Red ink tracing on oiled antique laid paper