Conservation of marine birds of northern North America : papers from the international symposium held at the Seattle Hyatt House, Seattle, Washington, 13-15 May 1975
Washington, D.C. :U.S. Dept. of the Interior, Fish and Wildlife Service,1979.
Prelinger Library (archive.org)
Evidence reported by scanner-ian-white for item conservationofma00naturich on January 22, 2007: no visible notice of copyright; stated date is 1979.