Gibson, D. D. 1970. Check-list of the birds of Alaska. Univ. of Alaska, Fairbanks. 2 pp.
Isleib, M. E., and B. Kessel. 1973. Birds of the North Gulf Coast-Prince William Sound region, Alaska. Univ. of Alaska Biol. Pap. 14. 149 pp.
Kortright, F. H. 1942. The ducks, geese and swans of North America. Wildlife Management Institute, Washington, D.C.
McHarg, I. L. 1969. Design with nature. Natural History Press, Garden City, N. Y. 197 pp.
Murie, O. J. 1959. Fauna of the Aleutian Islands and Alaska Peninsula. U.S. Fish Wildl. Serv., N. Am. Fauna 61:1-364.
Palmer, R. S. 1962. Handbook of North American birds. Vol. 1. Yale University Press, New Haven, Conn. 567 pp.
Peterson, R. T., G. Montfort, and P. H. D. Hallom. 1967. A field guide to the birds of Britain and Europe. Houghton Mifflin Co., New York.
Robbins, D. S., B. Bruun, and H. S. Zimm. 1966. Birds of North America, a guide to field identification. Golden Press, New York.
Sanger, G. A. 1972. Preliminary standing stock and biomass estimates of seabirds in the subarctic Pacific region. Pages 589-611 in A. Y. Takenouti et al., eds. Biological oceanography of the North Pacific Ocean. Idemitsy Shoten, Tokyo.
Sparrowe, R. D., and H. M. Wight. 1975. Setting priorities for the endangered species program. Proc. N. Am. Wildl. Nat. Resourc. Conf. 40:142-156.