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Start Over Subjects Child Welfare ✖Remove constraint Subjects: Child Welfare Titles On the importance of a knowledge of the principles of physiology to parents and teachers ✖Remove constraint Titles: On the importance of a knowledge of the principles of physiology to parents and teachers Copyright Public domain ✖Remove constraint Copyright: Public domain Dates by Range 1800-1849 ✖Remove constraint Dates by Range: 1800-1849

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  • On the importance of a knowledge of the principles of physiology to parents and teachers1