Key to the Death of the Earl of Chatham

Red and white chalks on blue paper, mounted to laid paper

Brown and gray wash over graphite on off-white antique laid paper

Brown ink, brown and gray wash over black chalk on off-white antique laid paper

Black chalk on cream antique laid paper

Brown ink, gray wash, squared in black chalk, on off-white antique laid paper

Black ink, gray wash, traces of white chalk over black chalk on gray wove paper, with framing lines in graphite; verso: black chalk

Brown ink and blue wash over black chalk on off-white antique laid paper

Black ink and brown wash on antique white laid paper

Brown ink and gray wash on buff antique laid paper

Brown ink and blue wash on antique laid paper, squared in black chalk

Graphite on cream antique laid paper

Brown ink over black chalk on light tan antique laid paper