The Castle of Swieten, near Leiden

Transparent and opaque watercolor on antique laid paper

Black chalk on parchment

Gray wash and brown ink on cream antique laid paper, framing line in brown ink

Black chalk, with a partial framing line in black chalk, on cream antique laid paper

Brown ink, gray and brown wash, touches of graphite, and white opaque watercolor on cream antique laid paper; verso: brown ink, brown wash, and graphite

Black, red and white chalk on blue paper faded to brown

Black chalk and gray wash on cream antique laid paper, framing lines in brown ink and black chalk

Black ink, gray wash over black chalk on coarse gray antique laid paper

Offset in brown wash on parchment (from the drawing on folio 22 verso); verso: graphite, autograph framing line in graphite

Brown ink, brown wash, red chalk, and random marks in black chalk on cream antique laid paper

Black chalk and gray wash on brownish-gray prepared paper

Black and white chalk on blue paper