Observations on the progress of population, and the probabilities of the duration of human life, in the United States of America.
Subtitle: Read before the American Philosophical Society held at Philadelphia, for Promoting Useful Knowledge.
By: By William Barton, M.A.
Series: Early American imprints -- no. 23158.
Publisher: Printed by R. Aitken & Son
Published: 1791
Place of publication: [Philadelphia]
Language: eng
Format: Microform
Number of pages: 38
Subjects: Life expectancy.; Mortality.
Notes: Error in printing: two lines of text missing at foot of p. 20, supplied in manuscript.

Evans 23158.

Microfiche. [New York : Readex Microprint, 1985] 11 x 15 cm. (Early American imprints. First series ; no. 23158)