| Author's List |
| title | creator | language | description | tableOfContents | contributor | subject | created |
| Thoughts on the Necessity of Improving the Condition of the Slaves in the British Colonies With a View to Their Ultimate Emancipation; and on the Practicability, the Safety, and the Advantages of the Latter Measure. | Clarkson, Thomas, 1760-1846 | en | 2003-12-01 | ||||
| On the Advisableness of Improving Natural Knowledge | Huxley, Thomas Henry, 1825-1895 | en | 2001-11-01 |