| 其他書名 | Papers on the Origins and the Future of the American Social Insurance System |
| 出版 | Center for the Study of the Recent History of the United States, 1982 |
| ISBN | 08741402699780874140262 |
| URL | http://books.google.com.hk/books?id=gtGxAAAAIAAJ&hl=&source=gbs_api |