Sanitation, not vaccination, the true protection against small-pox : a paper read before the second International Anti-Vaccination Congress at Cologne, October 12th 1881, (with appendix) / by William Tebb.

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Sanitation, not vaccination, the true protection against small-pox : a paper read before the second International Anti-Vaccination Congress at Cologne, October 12th 1881, (with appendix) / by William Tebb. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by the Harvey Cushing/John Hay Whitney Medical Library at Yale University, through the Medical Heritage Library. The original may be consulted at the Harvey Cushing/John Hay Whitney Medical Library at Yale University.