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By: Hartshorne, HenryType: ArticleIn: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledgeVolume: 19Series:Issue: 107Date: 1880Page Range: 118--152Publication Info: Philadelphia, American Philosophical Society,Subjects:
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By: Hartshorne, HenryType: ArticleIn: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledgeVolume: 12Series:Issue: 81Date: 1871Page Range: 171--173Publication Info: Philadelphia, American Philosophical Society,Subjects:
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By: Hartshorne, HenryType: ArticleIn: Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledgeVolume: 16Series:Issue: 97Date: 1876Page Range: 218--229Publication Info: Philadelphia, American Philosophical Society,Subjects: