| 其他書名 | Selected materials developed and used by two state public welfare agencies in orientation of visitors. I |
| 出版 | Federal Security Agency, Social Security Board, Bureau of Public Assistance, Technical Training Service, 1944 |
| URL | http://books.google.com.hk/books?id=DAh1CE4AexMC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |