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Credit
Observations on the means of preserving the health of troops, by selecting healthy localities for their cantonments / by Edward Balfour ; read by Joseph Hume ... before the Statistical Society of London, on the 19th of May 1845. Public Domain Mark. Source: Wellcome Collection.
Provider
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.