| 其他書名 | Readings for Study and Understanding, Books for Children, Youth in a Changing World |
| 出版 | U.S. Department of Health, Education, and Welfare, Welfare Administration, Children's Bureau, 1960 |
| URL | http://books.google.com.hk/books?id=j8sIQuzVwlsC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |