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Proceedings, American Philosophical Society (vol. 15) |
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Proceedings, American Philosophical Society (Vol. 150, No. 1) |
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Proceedings, American Philosophical Society (vol. 151, no. 1) |
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Proceedings, American Philosophical Society (Vol. 152, No. 1) |
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Proceedings, American Philosophical Society (Vol. 159, No. 1) |
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Proceedings, American Philosophical Society (Vol. 159, No. 2) |
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Proceedings, American Philosophical Society (vol. 16) |
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Proceedings, American Philosophical Society (vol. 19) |
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Proceedings, American Philosophical Society (vol. 2, no. 15) |
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Proceedings, American Philosophical Society (vol. 2, no. 16) |
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Proceedings, American Philosophical Society (vol. 20, 1882-1883) |
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Proceedings, American Philosophical Society (vol. 21) |
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Proceedings, American Philosophical Society (vol. 22) |
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