| 其他書名 | Operations of the Old-Age and Surviors Insurance Trust Fund July 1, 1959, Through June 30, 1960 |
| 出版 | U.S. Department of Health, Education, and Welfare, Social Security Administration, Bureau of Old-Age and Survivors Insurance, 1960 |
| URL | http://books.google.com.hk/books?id=r_6MPtdpiT4C&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |