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Public health movements, local poor relief and child mortality in American cities : 1923 - 1932
Fox, Jonathan - 2011
Persistent link: https://www.econbiz.de/10008901536
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Urban fertility responses to local government programs : evidence from the 1923 - 1932 US
Fox, Jonathan; Myrskylä, Mikko - 2011
Persistent link: https://www.econbiz.de/10009412268