Proceedings from the 1992 Conference on the Loon and Its Ecosystem: Status, Management and Environmental concerns : August 22-24, 1992, College of the Atlantic, Bar Harbor, Maine / edited by Linda Morse, Sally Stockwell, Mark Pokras.
Maine Audubon Society.
North American Loon Fund.
Tufts University. School of Veterinary Medicine.
U.S. Fish and Wildlife Service.