View of the Tiber Valley with the Ponte Molle (after Ricci)

Black ink and brown wash on antique white laid paper

Brown ink and white gouache on faded blue antique laid paper

Black chalk on cream wove paper

Brown ink on buff antique laid paper

Brown ink and brown wash over black chalk on cream antique laid paper, squared in red chalk

Brown ink, brown wash, red chalk on buff antique laid paper; verso: red chalk

Black and white chalk on gray prepared paper

Watercolor, with accents of gouache, on cream wove paper

Brown ink and gray wash on tan antique laid paper

Brown ink and brown wash on white antique laid paper

Black chalk heightened with white chalk on tan antique laid paper (r. and v.)

Black and white chalk on light tan antique laid paper