River Valley with Hill and Water Pump

Black and white chalk on blue paper

Graphite on parchment autograph framing line in graphite

Black chalk on antique laid paper, framing line in black chalk

Black and white chalk and charcoal on blue paper

Brown ink, gray wash, black and red chalk, white opaque watercolor on beige laid paper

Black and red chalk and white opaque watercolor on blue paper, framing line in brown ink

Graphite and gray wash, incised in places, on off-white antique-laid paper

Brown ink and brown wash over black chalk, with a framing line in brown ink, on cream antique laid paper

Graphite on paper mounted on parchment page

Red chalk, incised, on antique laid paper

Black chalk on off-white antique laid paper; verso: black chalk counterproof, possibly worked up in black chalk

Black and red chalk [possibly a counterproof?] on off-white antique laid paper, framing line in brown ink