Tuberculosis as a disease of the masses, and how to combat it : prize essay / by S.A. Knopf ; adapted for use in England by J.M. Barbour.

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Tuberculosis as a disease of the masses, and how to combat it : prize essay / by S.A. Knopf ; adapted for use in England by J.M. Barbour. Public Domain Mark. Source: Wellcome Collection.