First report of the Committee on Public Hygiene of the American Medical Association: read at the annual meeting, held in Boston, May 1849 : with an appendix containing sketches of the sanitary condition of the cities of Concord, Portland, New York, Philadelphia, Boston, Lowell, Baltimore, Charleston, New Orleans, Louisville, and Cincinnati

First report of the Committee on Public Hygiene of the American Medical Association: read at the annual meeting, held in Boston, May 1849 : with an appendix containing sketches of the sanitary condition of the cities of Concord, Portland, New York, Philadelphia, Boston, Lowell, Baltimore, Charleston, New Orleans, Louisville, and Cincinnati