Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 203, pages 1-17
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Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 203, pages 18-49
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Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 204, pages 53-75
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Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 204, pages 76-90
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Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 204, pages 91-102
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Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 204, pages 103-117
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Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 204, pages 118-166
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Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 204, pages 167-171
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Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 205, pages 173-177
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Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 205, pages 178-190
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Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 205, pages 191-200
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Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 205, pages 201-205
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Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 205, pages 206-213
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Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 205, pages 214-234
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Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 205, pages 235-239
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Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 205, pages 240-241
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Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 205, pages 242-251
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Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 205, pages 252-268
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Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 206, pages 269
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Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 206, pages 270-422
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Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 207, pages 423-553
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Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 207, pages 554-563
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Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 207, pages 564-567
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Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 207, pages 568
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Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 207, pages 569-579
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Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 207, pages 580-601
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Published in Proceedings of The American Philosophical Society, in 1912, in volume 51, issue 207, pages 603
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