| 其他書名 | Being the Substance of Two Lectures Read Before the Members of the Hereford Literary, Philosophical and Antiquarian Institution in the Winter of 1850-51, |
| 出版 | Times Office, 1851 |
| URL | http://books.google.com.hk/books?id=lptbAAAAMAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |