The Castle of Swieten, near Leiden

Brown ink on antique laid paper probably toned with light brown wash, framing line in brown ink

Black chalk on white antique laid paper, extensively incised, framing line in brown ink, laid down on Japanese paper

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

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 on cream antique laid paper, double framing line at bottom in black chalk

Brown ink and white opaque watercolor on off-white antique laid paper, partial framing line in brown ink

Brown ink over black chalk on cream antique laid paper, framing line in brown ink

Graphite on off-white antique laid paper, mounted overall (with secondary sheet extending at top by .5 cm); framing line in black ink

Opaque and transparent watercolor over graphite on cream antique laid paper, framing line in graphite

Black chalk with touches of graphite on parchment

Brown ink on light tan antique laid paper, framing line in brown ink, mounted on antique laid paper

Transparent and opaque watercolor over graphite on cream antique laid paper, framing line in brown ink