A manual of public health for the use of local authorities, medical officers of health, and others, / by W.H. Michael, W.H. Corfield, and J.A. Wanklyn ; edited by Ernest Hart.

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A manual of public health for the use of local authorities, medical officers of health, and others, / by W.H. Michael, W.H. Corfield, and J.A. Wanklyn ; edited by Ernest Hart. Public Domain Mark. Source: Wellcome Collection.