| 其他書名 | Hearings Before the United States Senate Committee on Labor and Public Welfare, Subcommittee on Problems of the Aged and Aging, Eighty-Sixth Congress, Second Session, on Apr. 4-6, 11-13, 1960 |
| 出版 | U.S. Government Printing Office, 1960 |
| URL | http://books.google.com.hk/books?id=39PlDLEKuQIC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |