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University of Chicago Press, 1965
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University of Chicago Press, 1963
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University of Chicago Press, 1964
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JSTOR, 1964
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Society of Systematic Zoology, 1964
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JSTOR, 1965
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JSTOR, 1964
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American Institute of Biological Sciences, 1965
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American Institute of Biological Sciences, 1965
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American Institute of Biological Sciences, 1965
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American Institute of Biological Sciences, 1963
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American Institute of Biological Sciences, 1964
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Oxford University Press (OUP), 1963
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JSTOR, 1963
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University of Chicago Press, 1959
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University of Chicago Press, 1959
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University of Chicago Press, 1959
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JSTOR, 1960
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Oxford University Press (OUP), 1960
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Society of Systematic Zoology, 1960