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

Brown ink, brown and gray wash, and white opaque watercolor over black chalk on cream antique laid paper, framing line in brown ink

Brown ink, brown wash, black chalk and white opaque watercolor on Asian paper; later additions in gray wash and scratchwork, framing line in brown ink, mounted overall

Black and red chalk on parchment

Graphite on parchment

Black ink, gray wash, black chalk, and white opaque watercolor on tan antique laid paper

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

Black chalk on cream antique laid paper, later brown ink, partial framing lines in brown ink and black chalk

Brown ink, brown wash and white opaque watercolor on light tan antique laid paper, framing line in brown ink; verso: brown ink on light tan antique laid paper

Brown ink and brown and gray wash over graphite on antique laid paper, partial framing line in brown ink

parchment

Brown ink on off-white antique laid paper; verso: brown ink

Transparent and opaque watercolor over graphite on parchment, framing line in brown ink