Study of Trees in Full Foliage; verso: Study of a Tree with a Twisted Trunk

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

Black chalk and gray wash on off-white antique laid paper

Graphite on parchment

Black chalk on parchment

Black chalk and graphite (?) on parchment, autograph framing line in graphite (?)

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

Black, gray, brown, green, yellow, and violet transparent watercolor and yellow and white opaque watercolor on off-white antique laid paper, framing line in brown ink

Transparent and opaque watercolor, and graphite on off-white antique laid paper

Brown ink and gray wash with white opaque watercolor on brown toned paper

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

Transparent watercolor over graphite on antique laid paper

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