-
By: Crawford, Robert LType: ArticleIn: The Wilson bulletinVolume: 90Series:Issue: 3Date: 1978Page Range: 335--345Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
-
By: Engstrom, R Todd - Crawford, Robert L - Baker, W. Wilson.Type: ArticleIn: The Wilson bulletinVolume: 96Series:Issue: 3Date: 1984Page Range: 437--450Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
-
By: Crawford, Robert LType: ArticleIn: The Wilson bulletinVolume: 93Series:Issue: 2Date: 1981Page Range: 189--195Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects: