Studies of a Swan, Verso: Study of a Wing

Pen and brown ink over graphite on calque, unframed

Brown ink on cream paper, laid down on beige paper

Graphite, colored pencil and black ink on off-white wove paper

Colored pencil, graphite and black ink on off-white wove paper

Red chalk on cream antique laid paper

Watercolor and graphite on off-white wove paper

Watercolor and gouache over graphite on brown wove paper; parts of the background have been varnished

Black ink on pale tan wove paper, darkened to reddish-brown

Brown wash over graphite on white laid antique paper

Graphite, watercolor, and white gouache on light tan wove paper

Graphite and white gouache on cream paper, darkened to brown