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Start Over Collections Medicine in the Americas, 1610-1920 ✖Remove constraint Collections: Medicine in the Americas, 1610-1920 Subjects Geologic Sediments ✖Remove constraint Subjects: Geologic Sediments Titles Extracts from the Proceedings of the Academy of Natural Sciences of Philadelphia, of papers ✖Remove constraint Titles: Extracts from the Proceedings of the Academy of Natural Sciences of Philadelphia, of papers Languages English ✖Remove constraint Languages: English Languages Latin ✖Remove constraint Languages: Latin Dates by Range 1850-1899 ✖Remove constraint Dates by Range: 1850-1899

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  • Extracts from the Proceedings of the Academy of Natural Sciences of Philadelphia, of papers1