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Start Over Collections Medicine in the Americas, 1610-1920 ✖Remove constraint Collections: Medicine in the Americas, 1610-1920 Authors Cook, W. C. (William Cowden), 1840- author ✖Remove constraint Authors: Cook, W. C. (William Cowden), 1840- author Titles Necessity for teaching hygiene in schools ✖Remove constraint Titles: Necessity for teaching hygiene in schools

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  • Necessity for teaching hygiene in schools1