Observations medical and political on the small-pox, and the advantages and disadvantages of general inoculation, especially in cities: and on the mortaility of mankind at every age in city and county ... to which is added a postscript. containing the sketch of an easy plan for new-modelling and essentially improving the London bills of births and mortality By W. Black
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TextPublication details: London J. Johnson 1781Edition: The second edition, greatly enlarged: with several alteration and correctionsDescription: (4), 284, 7 pages 22cmSubject(s):
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