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Start Over Subjects Societies, Scientific ✖Remove constraint Subjects: Societies, Scientific Titles Discourse in commemoration of the founding of the Academy of Natural Sciences of Philadelphia ✖Remove constraint Titles: Discourse in commemoration of the founding of the Academy of Natural Sciences of Philadelphia Dates by Range 1850-1899 ✖Remove constraint Dates by Range: 1850-1899

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  • Discourse in commemoration of the founding of the Academy of Natural Sciences of Philadelphia1