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Credit
Elements of sanitary science. : A handbook for district, muncipal, local medical and sanitary officers, members of local boards and municipal councils, and others / by C. J. McNally. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by London School of Hygiene & Tropical Medicine Library & Archives Service. The original may be consulted at London School of Hygiene & Tropical Medicine Library & Archives Service.