| 其他書名 | An Index to Publications by Number, Title, Author, and Subject |
| 出版 | U.S. Department of Health, Education, and Welfare, Social and Rehabilitation Service, Children's Bureau, 1928 |
| URL | http://books.google.com.hk/books?id=rKJEudUQsVcC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |