| 其他書名 | A Treatise on Deontology : in which are Demonstrated the Individual, Social and International Duties of Man, and His Indirect Duties Towards Animals |
| 出版 | Trübner & Company, 1887 |
| URL | http://books.google.com.hk/books?id=jWYmAQAAMAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |