| 其他書名 | Hearings, Ninety-first Congress, First and Second Sessions ... November 5 and 6, 1969, and February 19, 1970 |
| 出版 | U.S. Government Printing Office, 1970 |
| URL | http://books.google.com.hk/books?id=qT-wkVloUbwC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |