| 其他書名 | In Advocacy of Free Trade and Other Measures of Practical Improvement, More Especially Calculated to Supersede the Necessity of Emigration |
| 出版 | J. Ridgway, 1828 |
| URL | http://books.google.com.hk/books?id=CqBK86JASxQC&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |