| 其他書名 | Its Use and Dangers as Affecting Heredity and Morals : Essentials to the Welfare of the Individual and the Future of the Race |
| 出版 | E. B. Treat & Company, 1898 |
| URL | http://books.google.com.hk/books?id=oR0SAAAAYAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |