| 其他書名 | Hearings Before the Committee on Labor and Public Welfare, United States Senate, Ninety-first Congress, Second Session, on S. 4323 ... S. 3830 ... September 23 and 24, 1970 |
| 出版 | U.S. Government Printing Office, 1970 |
| URL | http://books.google.com.hk/books?id=rfYD-m6qIlwC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |