• publisher: Philadelphia : T.K. & P.G. Collins, printers
  • creator: Jarvis, Edward, 1803-1884
  • Keyword: Mental Disorders epidemiology African Americans Censuses United States epidemiology
  • years: 1844.
  • pages: 15 p. ;
  • language: eng
  • notes: "Extracted from the American journal of the medical sciences for January 1844."
  • download: pdf file