| 其他書名 | Combining the Useful Properties of Former Works with the Modern Improvements ... To which is Added Two Methods of Bookkeeping ... |
| 出版 | Otis, Broaders and Company, 1841 |
| URL | http://books.google.com.hk/books?id=6dFHAAAAIAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |