Medical statistics, or A comparative view of the mortality in New York, Philadelphia, Baltimore, and Boston, for a series of years : including comparisons of the mortality of whites and blacks in the two former cities : and of whites, free blacks, and slaves in Baltimore / by Nathaniel Niles, Jun. ... and John D. Russ ...
Niles, Nathaniel, Jr., 1791-1869. | Date: 1827
