| 其他書名 | Including an Estimate of the Balance of Enjoyment and Suffering in the Different Gradations of Society |
| 出版 | T. and G. Underwood, Highley and Son, Callow, Anderson and Chase, Cox and Son, and Burgess and Hill, 1818 |
| URL | http://books.google.com.hk/books?id=0Cesty1-_NwC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |