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Credit
Cholera. Copy letter, secretary to the Board of Supervision for the Relief of the Poor, to Dr Smith, president of the Royal College of Physicians, Edinburgh, requesting suggestions for the guidance of visitors engaged in house-to-house visitation. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.