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
- publisher: [Philadelphia] R. Aitken & Son
- creator: Barton, William, 1754-1817 Aitken, Robert, 1735-1802, printer
- contributor: Aitken, Robert, 1735-1802, printer.
- Keyword: Life Expectancy Mortality United States Addresses
- years: MDCCXCI [1791]
- pages: [2], 38, [2] p. :
- language: eng
- notes: "Read Mar. 18, 1791"--p. 1.
- download: pdf file
