| 其他書名 | As Affected by a Maryland Law of 1916 Governing the Separation from Their Mothers of Children Under 6 Months Old |
| 出版 | U.S. Department of Labor, Children's Bureau, 1924 |
| URL | http://books.google.com.hk/books?id=q_fx3XQpI9oC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |