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By: Schlesinger, FrankType: ArticleIn: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledgeVolume: 56Series:Issue: 220Date: 1917Page Range: 484--486Publication Info: Philadelphia, American Philosophical Society,Subjects:
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By: Schlesinger, FrankType: ArticleIn: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledgeVolume: 52Series:Issue: 209Date: 1913Page Range: 175--183Publication Info: Philadelphia, American Philosophical Society,Subjects:
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By: Schlesinger, FrankType: ArticleIn: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledgeVolume: 53Series:Issue: 215Date: 1914Page Range: 303--306Publication Info: Philadelphia, American Philosophical Society,Subjects:
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By: Schlesinger, FrankType: ArticleIn: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledgeVolume: 54Series:Issue: 220Date: 1915Page Range: 351--358Publication Info: Philadelphia, American Philosophical Society,Subjects: