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Start Over You searched for: Authors McGowan, Jonas Hartzell, 1837-1909, author Remove constraint Authors: McGowan, Jonas Hartzell, 1837-1909, author Collections Medicine in the Americas, 1610-1920 Remove constraint Collections: Medicine in the Americas, 1610-1920 Subjects Communicable Disease Control -- legislation & jurisprudence Remove constraint Subjects: Communicable Disease Control -- legislation & jurisprudence Subjects Cattle Diseases -- prevention & control Remove constraint Subjects: Cattle Diseases -- prevention & control Dates by Range 1850-1899 Remove constraint Dates by Range: 1850-1899
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