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Hearing Before Committee on Interstate and Foreign Commerce, House of Representatives, on the Bills H. R. 4438, H. R. 16676, and H. R. 18671, to Limit the Hours of Service of Railroad Employees
出版U.S. Government Printing Office, 1906
URLhttp://books.google.com.hk/books?id=GoYvAAAAMAAJ&hl=&source=gbs_api