Cooke, Wells Woodbridge, 1858-1916. Distribution and migration of North American ducks, geese, and swans, by Wells W. Cooke ... - Washington, Govt. print. off., 1906. - 90 p. 23 cm. - U.S. Dept. of agriculture. Biological survey. Bulletin 26 . LCCN: agr06001685 Subjects--Topical Terms: Ducks--North America.Geese--North America.Swans--North America. LC Class. No.: QL155 / .A2 no. 26