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Published in Journal of The Arnold Arboretum, in 1960, in volume 41, issue 2, pages 111-140
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Published in Journal of The Arnold Arboretum, in 1960, in volume 41, issue 1, pages 73-109
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Published in Journal of The Arnold Arboretum, in 1959, in volume 40, issue 2, pages 113-155
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Published in Palaeontology, in 1963, in volume 6, issue 1, pages 1-11
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Published in Palaeontology, in 1967, in volume 10, issue 1, pages 47-59
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Published in Palaeontology, in 1973, in volume 16, issue 1, pages 139-148
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Published in Biol Bull, in 1972, in volume 143, pages 162-174
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Published in The Wilson Bulletin, in 1971, in volume 83, issue 3, pages 215-236
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Published in Entomologist's Record and Journal of Variation, in 1979, in volume 91, issue 6, pages 174
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Published in Palaeontology, in 1962, in volume 5, issue 1, pages 52-58
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Published in Entomologist's Record and Journal of Variation, in 1978, in volume 90, issue 3, pages 66
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Published in Palaeontology, in 1982, in volume 25, issue 1, pages 119-143
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Published in British Journal of Entomology And Natural History, in 1996, in volume 9, pages 120-124
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