Masked Duck: Birds of North America species account
Jack C. Eitniear.
Ruddy Duck: Birds of North America species account
R.B. Brua. 32 pp.
Waterfowl of North America, Europe, and Asia: An Identification Guide
Identifying Trumpeter and Tundra Swans in the Field
Patten, Michael A. & Matthew T. Heindel
Avian Spectrum: Volume 1: Waterfowl. A Live Action Video Portfolio of North American Birds
Food of Game Ducks In the United States and Canada
Martin, A.C. and F.M. Uhler
Life History of the Blue Goose: Chen caerulescens (Linnaeus)
Soper, J. Dewey
The Ring-Necked Duck in the Northeast
Mendall, Howard L.
Waterfowl and Wetlands an Integrated Review
Bookhout, Theodore A.
The Barnacle Goose
Black, Jeffery; Jouke Prop and Kjell Larsson
Wisconsin Pheasant Populations
Buss, Irven O.
Food Habits of Migratory Ducks in Illinois
Anderson, Harry G.