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Start Over Formats Text ✖Remove constraint Formats: Text Collections Medicine in the Americas, 1610-1920 ✖Remove constraint Collections: Medicine in the Americas, 1610-1920 Subjects City Planning ✖Remove constraint Subjects: City Planning Titles In which direction should cities in our latitude extend in order to secure to their populations pure air and thereby health: read before the American Philosophical Society of Philadelphia, 1884 ✖Remove constraint Titles: In which direction should cities in our latitude extend in order to secure to their populations pure air and thereby health: read before the American Philosophical Society of Philadelphia, 1884

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  • In which direction should cities in our latitude extend in order to secure to their populations pure air and thereby health: read before the American Philosophical Society of Philadelphia, 18841