@book{7357,
	author = {Cooke, Wells Woodbridge,},
	title = {Distribution and migration of North American ducks, geese, and swans,},
	publisher = {Govt. print. off.,},
	year = {1906.},
	series = {U.S. Dept. of agriculture. Biological survey. Bulletin 26},
	address = {Washington,}
}