-
By: Cooper, J E - Redig, P T - Burnham, William A.,Type: ArticleIn: Raptor researchVolume: 14Series:Issue: 1Date: 1980Page Range: 6--9Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]Subjects:
-
By: Enderson, James - Craig, Gerald R. - Burnham, William A., - Berger, Daniel D.Type: ArticleIn: The Canadian field-naturalistVolume: 96Series:Issue: 3Date: 1982Page Range: 255--264Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects:
-
By: Hoolihan, J - Burnham, William A.,Type: ArticleIn: Raptor researchVolume: 19Series:Issue: 4Date: 1985Page Range: 125--127Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]Subjects:
-
By: Cade, Tom J. - Weaver, James D. - Platt, J B - Burnham, William A.,Type: ArticleIn: Raptor researchVolume: 11Series:Issue: 1-2Date: 1977Page Range: 28--48Publication Info: Vermillion, S.D, Raptor Research Foundation, [1972-1986]Subjects: