View of Zalt-Bommel on the River Waal

Brown ink, brown and gray wash, and red chalk on cream antique laid paper, framing line in brown ink

Brown wash on antique laid paper

Transparent and opaque watercolor, and black chalk on off-white wove paper, partial framing line in black chalk

Graphite on pale green card, three framing lines in brown ink

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

Transparent watercolor over graphite on wove paper

Black ink, gray wash, black chalk and graphite on off-white antique laid paper

Black chalk with touches of graphite on white antique laid paper, with a framing line in black chalk

Brown ink, black chalk, graphite, and white opaque watercolor on blue antique laid paper, framing line in brown ink

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

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

Brown and gray wash over black chalk on cream laid paper