==References==* Maxwell-Stuart, P. G. "Chronicle of the Popes: The Reign-by-Reign Record of the Papacy from St. Peter to the Present", Thames & Hudson, 2002, p. 119.
* Maxwell-Stuart, P. G. Chronicle of the Popes: The Reign-by-Reign Record of the Papacy from St. Peter to the Present, Thames & Hudson, 2002, p. 119.