Published in Proceedings of the American Philosophical Society, in 1919, in volume 58, pages 397-400

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Published in Proceedings of the American Philosophical Society, in 1919, in volume 58, pages 448-456

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 1-40

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 41-54

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 55-73

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 74-88

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 89-96

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 97-132

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 133-149

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 150-160

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 161-181

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 182-222

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 223-235

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 236-240

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 241-254

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 255-258

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 259-264

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 265-268

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 269-271

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 272-281

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 282-288

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 289-316

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 317-336

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 337-345

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 346-372

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 373-381

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 382-385

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 386-396

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 401-447

Created: 2017-01-01, modified: 2017-01-01