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Published in Proceedings of The Biological Society of Washington, in 1985, in volume 98, pages 574-590

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Published in Proceedings of The Biological Society of Washington, in 1988, in volume 101, pages 314-316

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Published in Proceedings of The Biological Society of Washington, in 1987, in volume 100, pages 262-271

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Published in Journal of Raptor Research, in 1989, in volume 23, issue 2, pages 42-44

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Published in Proceedings of The American Philosophical Society, in 1909, in volume 48, issue 192, pages 303-312

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Published in Madroño, in 1951, in volume 11, issue 4, pages 153-160

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Published in Phytologia, in 2006, in volume 88, pages 97-99

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Published in Proceedings of The Biological Society of Washington, in 1996, in volume 109, pages 103-111

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Published in Entomologist's Record and Journal of Variation, in 2006, in volume 118, issue 3, pages 123-125

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Published in Madroño, in 1980, in volume 27, issue 3, pages 138-145

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Published in American Malacological Bulletin, in 1986, in volume 4, issue 1, pages 112

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Published in Proceedings of The American Philosophical Society, in 1911, in volume 50, issue 200, pages 444-451

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Published in Western Australian Naturalist, in 1951, in volume 2, issue 8, pages 195

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Published in Entomologist's Record and Journal of Variation, in 1978, in volume 90, issue 4, pages 122

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Published in The Wilson Bulletin, in 1929, in volume 41, issue 2, pages 72-74

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Published in Madroño, in 1999, in volume 46, issue 4, pages 212-214

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Published in Australian Entomological Magazine, in 1992, in volume 19, issue 4, pages 125-132

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