"Before their time": Lewis W. Hine and the New Hampshire crusade against child labor.
Macieski
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D000293:Adolescent; D002648:Child; D002651:Child Advocacy / Q000191:economics / Q000266:history / Q000331:legislation & jurisprudence; D002669:Child Welfare / Q000941:ethics / Q000266:history / Q000331:legislation & jurisprudence; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D009513:New Hampshire; D016272:Occupational Health / Q000266:history / Q000331:legislation & jurisprudence; D012922:Social Change / Q000266:history; D014937:Work / Q000941:ethics / Q000266:history / Q000331:legislation & jurisprudence; D016526:Workload / Q000331:legislation & jurisprudence