Rhine River Valley

Graphite on parchment

Brown ink, touches of black chalk on two pieces of off-white antique laid paper, partial framing line in black ink reinforced in graphite

Graphite on parchment

Black chalk and gray wash on brownish-gray prepared paper

Brown ink, gray and brown wash, graphite and black chalk on cream antique laid paper

Brown ink and red chalk on cream antique laid paper; verso: brown ink

Black chalk on off-white antique laid paper, framing line in dark brown ink

Opaque and transparent watercolor on off-white antique laid paper

Black and white chalk on antique laid blue paper discolored to greenish brown, mounted on antique laid paper

Brown ink, brown and gray wash, and black chalk on parchment

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

Brown ink, brown wash, black and red chalk, red chalk wash, and transparent watercolor on cream antique laid paper, framing line in black and red chalk, laid down on antique laid paper