| Author's List |
| title | creator | language | description | tableOfContents | contributor | subject | created |
| An Enquiry into the Truth of the Tradition, Concerning the Discovery of America, by Prince Madog ab Owen Gwynedd, about the Year, 1170 | Williams, John, 1727-1798 | en | Madog ab Owain Gwynedd, 1150-1180?; America -- Discovery and exploration -- Welsh | 2004-11-12 |