Landscape with Doorwerth Castle

Black chalk and gray wash on off-white antique laid paper, framing line in brown ink; verso: black chalk

Brown ink and brown and blue wash on cream antique laid paper

Brown ink and brown wash over traces of black chalk, on cream antique laid paper, framing line in brown ink at left and right

Black chalk, brown wash, green and rose transparent watercolor, and opaque white watercolor (now darkened) on off-white antique laid paper; framing line in brown ink

Black chalk and gray wash, with a framing line in black chalk, on cream antique laid paper

Graphite on parchment autograph framing line in graphite

Black chalk and gray wash on brownish-gray prepared paper

Black chalk and gray ink, partially incised, on of-white antique laid paper, partial framing line in black ink; verso: red chalk, rubbed

Black chalk on cream antique laid paper, framing line in brown ink and graphite

Brown ink and transparent and opaque watercolor over graphite on antique laid paper, framing line in brown ink

Black chalk, black ink, and gray wash, with a framing line in black ink, on cream antique laid paper

Brown ink and traces of black chalk on cream antique laid paper, incised, framing line in brown ink, attached to mount with two brown ink framing lines