Partial Study of a Wing; verso: Study of a Wing

Black marker, boarding passes, pamphlet, and adhesive on paper

Casein, graphite and black ink on gessoed white wove paper (Fabriano)

Colored crayons ; graphite on paper

Paper

Graphite on cream wove paper

Brown wash and graphite on antique laid paper

Charcoal on cream laid paper

Watercolor and traces of blue pencil on off-white wove paper

Black crayon on paper

Graphite on off-white wove paper

Watercolor, gouache, black ink and blue ballpoint ink on white wove paper

Brown wash and graphite on cream paper