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Start Over Collections Medicine in the Americas, 1610-1920 ✖Remove constraint Collections: Medicine in the Americas, 1610-1920 Subjects Smallpox -- prevention & control ✖Remove constraint Subjects: Smallpox -- prevention & control Subjects Vaccination ✖Remove constraint Subjects: Vaccination Authors Boston (Mass.). City Physician's Office. ✖Remove constraint Authors: Boston (Mass.). City Physician's Office. Dates by Range 1850-1899 ✖Remove constraint Dates by Range: 1850-1899

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