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Lessons in hygiene, or, The human body and how to take care of it: the elements of anatomy, physiology, and hygiene for intermediate and grammar grades : being an edition of How we live, revised to comply with the legislation requiring temperance instruction in schools
Lessons in hygiene, or, The human body and how to take care of it: the elements of anatomy, physiology, and hygiene for intermediate and grammar grades : being an edition of How we live, revised to comply with the legislation requiring temperance instruction in schools