| Author: | Le Queux, William, 1864-1927 |
| Subject: | PR, Treasure troves -- Fiction, Borgia, Lucrezia, 1480-1519 -- Fiction |
| Format: | Electronic text |
| Date issued: | 2012 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | The Closed Book : Concerning the Secret of the Borgias [electronic resource] / William Le Queux |