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Start Over Authors Barton, William, 1754-1817 ✖Remove constraint Authors: Barton, William, 1754-1817 Titles Observations on the progress of population, and the probabilities of the duration of human life, in the United States of America: read before the American Philosophical Society held at Philadelphia, for Promoting Useful Knowledge ✖Remove constraint Titles: Observations on the progress of population, and the probabilities of the duration of human life, in the United States of America: read before the American Philosophical Society held at Philadelphia, for Promoting Useful Knowledge

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  • Observations on the progress of population, and the probabilities of the duration of human life, in the United States of America: read before the American Philosophical Society held at Philadelphia, for Promoting Useful Knowledge1