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Start Over Subjects Natural History -- education ✖Remove constraint Subjects: Natural History -- education Titles A discourse on some of the principal desiderata in natural history: and on the best means of promoting the study of science, in the United-States ; read before the Philadelphia Linnean Society, on the tenth of June, 1807 ✖Remove constraint Titles: A discourse on some of the principal desiderata in natural history: and on the best means of promoting the study of science, in the United-States ; read before the Philadelphia Linnean Society, on the tenth of June, 1807

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  • A discourse on some of the principal desiderata in natural history: and on the best means of promoting the study of science, in the United-States ; read before the Philadelphia Linnean Society, on the tenth of June, 18071