Four Swallows, One Perched and Three in Flight; verso: blank

Red, black, and white chalk on light tan antique laid paper

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

Black crayon and gray wash on cream antique laid paper, mounted on pale green laid paper

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

Black chalk on cream antique laid paper; verso: black and red chalk

Red chalk on cream antique laid paper, framing lines in black ink

Watercolor and black ink over traces of graphite on off-white antique laid paper, adhered to cream antique laid paper

Black ink and gray-brown wash over traces of graphite and white gouache on cream laid paper, framing line in brownish black ink, laid down on a decorated mount

Red chalk on light-tan antique laid paper, joined and pieced with the artist's corrections on seven additional irregular pieces of the same paper, framing lines in black ink, laid down on a Mariette mount

Red, brown, and pink chalk, and graphite on cream antique laid paper, framing line in graphite