Untitled (blank, left page); Untitled (notes, right page)

Brown ink and red chalk and touches of brown wash on off-white antique laid paper, mounted at top to cream antique laid paper mount

Black crayon on paper

Graphite on off-white laid paper

Graphite on paper

Colored marker on paper

Charcoal on blue laid paper

Graphite on off-white wove paper

Graphite on paper

Graphite and brown pencil on off-white wove paper; verso: black pencil

Parchment covered album with 96 bird studies executed in black ink and watercolor on 83 leaves of off-white antique laid paper (43 x 34.5 cm.). Some drawings have been pasted into the album, others were drawn directly on the album leaves.

Black crayon on off-white antique laid paper