| The Columbia Encyclopedia, Sixth Edition. 2001-07. |
| |
| Rudolf |
| |
| |
| 185889, Austrian archduke, crown prince of Austria and Hungary; only son of Emperor Francis Joseph and Empress Elizabeth. Upon his mysterious death at Mayerling near Vienna (officially declared a double suicide with his mistress, Baroness Maria Vetsera), his cousin Francis Ferdinand became heir to the Austro-Hungarian throne. |
| |
| | | The Columbia Encyclopedia, Sixth Edition. Copyright © 2007 Columbia University Press. |
|
|