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Earnings of Factory Workers, 1899 to 1927
其他書名
An Analysis of Pay-roll Statistics
出版U.S. Government Printing Office, 1929
ISBN08337463679780833746368
URLhttp://books.google.com.hk/books?id=DJIe_pK3D5AC&hl=&source=gbs_api
EBookFULL_PUBLIC_DOMAIN