Landscape with the Ponte Molle (Pons Milvius) over the Tiber outside Rome

Black and white chalk on blue paper

Brown ink, brown and gray wash and graphite, framing line in brown ink, mounted down entirely on card

Black chalk on parchment

Black and red chalk on off-white antique laid paper, laid down

Brown ink, touches of black chalk on two pieces of off-white antique laid paper, partial framing line in black ink reinforced in graphite

Brown ink and brown wash over graphite on off-white antique laid paper; verso: graphite

Graphite on parchment autograph framing line in graphite

Brown ink and brown wash over graphite on cream antique laid paper

Brown ink and gray wash over black chalk, incised, on cream antique laid paper, partial framing line in black chalk; verso: blackened with black chalk

Brown ink, brown wash, and white opaque watercolor on off-white antique laid paper

Transparent and opaque watercolor over graphite on parchment, framing line in brown ink

Graphite and gray wash on parchment