A View of Weeresteyn Manor on the Vecht; verso: Sketch of Cliff and Castle over a River

Opaque watercolor, graphite and shell gold on parchment

Brown ink, brown wash and white opaque watercolor on cream antique laid paper, framing lines in brown ink and graphite at right, some ruled, and in black chalk at bottom

Red chalk with touches of white chalk, squared in black chalk, on cream antique laid paper

Red chalk, incised, on antique laid paper

Transparent watercolor, black ink and gray wash on off-white antique laid paper

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

Graphite with touches of black chalk on parchment

Transparent and opaque watercolor and black chalk on parchment

Brown ink and transparent watercolor over graphite on off-white antique laid paper, partial framing line in graphite; verso: graphite on off-white antique laid paper

Transparent and opaque watercolor on parchment

Black and white chalk on blue paper

Graphite and red chalk on vellum