-
By: Peterson, Steven R. - Ellarson, Robert SType: ArticleIn: The Wilson bulletinVolume: 91Series:Issue: 2Date: 1979Page Range: 288--300Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
-
By: Peterson, Steven R. - Ellarson, Robert SType: ArticleIn: The Wilson bulletinVolume: 89Series:Issue: 1Date: 1977Page Range: 81--91Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects: