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

Watercolor over graphite on tan paper

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

Watercolor and gouache on prepared (?) wove paper, darkened and faded

Black and white chalk on blue antique laid paper

Black and brown ink with brown wash, on cream wove paper, framing lines in black and red ink

Distemper on wallpaper

Black and white chalks on buff wove paper

Black ink on tracing paper, adhered to laid paper

Graphite on off-white wove paper

Graphite and brown wash on white wove paper.

Watercolor and graphite on off-white wove paper