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
Barton, William, 1754-1817
Aitken, Robert, 1735-1802, printer
[Philadelphia] R. Aitken & Son, MDCCXCI 
, 38,  p.
See catalog record: 2542059R