Published in Proceedings of The American Philosophical Society, in 1920, in volume 59, issue 220, pages 1-47
Created: 2017-01-01, modified: 2017-01-01
Published in Proceedings of The American Philosophical Society, in 1920, in volume 59, issue 220, pages 85-149
Created: 2017-01-01, modified: 2017-01-01
Published in Proceedings of The American Philosophical Society, in 1920, in volume 59, issue 220, pages 150-170
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Published in Proceedings of The American Philosophical Society, in 1920, in volume 59, issue 220, pages 171-175
Created: 2017-01-01, modified: 2017-01-01
Published in Proceedings of The American Philosophical Society, in 1920, in volume 59, issue 220, pages 176-183
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Published in Proceedings of The American Philosophical Society, in 1920, in volume 59, issue 220, pages 184-193
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Published in Proceedings of The American Philosophical Society, in 1920, in volume 59, issue 220, pages 194-223
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Published in Proceedings of The American Philosophical Society, in 1920, in volume 59, issue 220, pages 224-236
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Published in Proceedings of The American Philosophical Society, in 1920, in volume 59, issue 220, pages 237-244
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Published in Proceedings of The American Philosophical Society, in 1920, in volume 59, issue 220, pages 245-260
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Published in Proceedings of The American Philosophical Society, in 1920, in volume 59, issue 220, pages 261-267
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Published in Proceedings of The American Philosophical Society, in 1920, in volume 59, issue 220, pages 313-324
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Published in Proceedings of The American Philosophical Society, in 1920, in volume 59, issue 220, pages 325-370
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Published in Proceedings of The American Philosophical Society, in 1920, in volume 59, issue 220, pages 371-404
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Published in Proceedings of The American Philosophical Society, in 1920, in volume 59, issue 220, pages 405-511
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Published in Proceedings of The American Philosophical Society, in 1920, in volume 59, issue 220, pages 512-516
Created: 2017-01-01, modified: 2017-01-01
Published in Proceedings of The American Philosophical Society, in 1920, in volume 59, issue 220, pages 517-531
Created: 2017-01-01, modified: 2017-01-01