| Author's List |
| title | creator | language | description | tableOfContents | contributor | subject | created |
| The Certainty of a Future Life in Mars | Gratacap, L. P. | en | 2004-08-25 | ||||
| On the uncertainty of the signs of murder in the case of bastard children | Hunter, William, 1718-1783 | en | Infanticide; Illegitimacy | 2008-10-11 | |||
| An Humble Proposal to the People of England, for the Increase of their Trade, and Encouragement of Their Manufactures Whether the Present Uncertainty of Affairs Issues in Peace or War | Defoe, Daniel, 1661?-1731 | en | 2010-05-15 |