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By: Johnson, Robert AType: ArticleIn: The Wilson bulletinVolume: 75Series:Issue: 3Date: 1963Page Range: 270--272Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Johnson, Robert AType: ArticleIn: The Wilson bulletinVolume: 81Series:Issue: 1Date: 1969Page Range: 79--86Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Rissing, Steven W - Johnson, Robert A - Pollock, Gregory BType: ArticleIn: PsycheVolume: 93Series:Issue:Date: 1986Page Range: 177--186Publication Info: Cambridge, Mass, Cambridge Entomological Club,Subjects:
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By: Johnson, Robert A - Overson, Rick PType: ArticleIn: Journal of Hymenoptera researchVolume: 18Series:Issue:Date: 2009Page Range: 305--314Publication Info: Washington, D.C, International Society of Hymenopterists, [1992-Subjects:
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By: Johnson, Robert AType: ArticleIn: Journal of Hymenoptera researchVolume: 9Series:Issue:Date: 2000Page Range: 377--384Publication Info: Washington, D.C, International Society of Hymenopterists, [1992-Subjects: