| 其他書名 | Hearings Before the Committee on Education and Labor, United States Senate, Sixty-ninth Congress, First Session on S. 3983, a Bill to Create in the Bureau of Labor Statistics of the Department of Labor a Division of Safety |
| 出版 | U.S. Government Printing Office, 1926 |
| URL | http://books.google.com.hk/books?id=HvNKAQAAIAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |