Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 216, pages 1-6
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 216, pages 7-11
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 216, pages 12-13
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 216, pages 14-17
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 216, pages 18-26
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 216, pages 27-46
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 216, pages 47-51
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 216, pages 52-57
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 216, pages 58-65
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 216, pages 66-69
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 216, pages 70-72
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 217, pages 73-95
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 217, pages 96-136
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 217, pages 137-142
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 217, pages 143-153
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 217, pages 154-164
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 217, pages 165-175
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 217, pages 176-184
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 218, pages 185-225
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 218, pages 226-245
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 218, pages 246-258
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 218, pages 259-269
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 218, pages 270-278
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 219, pages 279-289
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 219, pages 309-343
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 219, pages 344-350
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 220, pages 351-358
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 220, pages 359-370
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 220, pages 371-456
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