On the estimation of the sanitary condition of communities, and the comparative salubrity of towns : being an address delivered at a meeting of the Society of Medical Officers of Health, October 17, 1874 / by Henry Letheby.
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On the estimation of the sanitary condition of communities, and the comparative salubrity of towns : being an address delivered at a meeting of the Society of Medical Officers of Health, October 17, 1874 / by Henry Letheby. Credit: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.. Public Domain Mark