Pope Benedict IX

（原始内容存档于2019-06-20）.  上古教會(三) ──教皇權勢發展時期. [2013-02-17]. （原始内容存档于2013-01-28）.   Pope Benedict IX. 天主教百科全书. New York: Robert Appleton Company. 1913.  本篤九世為結婚賣教宗位. Apple

Prince Philippe (topL) an Dutch Crown Prince Willem-Alexander attend Pope Benedict XVI first mass in Saint Peter's Square at the Vatican 24 April 2005

2005-04-18: 1–2 [2009-01-01]. （原始内容存档于2009-07-06）.  Brown, Andrew. Benedict, the placeholder pope who leaves a battered, weakened church. The Guardian. 2013-02-11

（英语）.  Guruge, Anura. The Next Pope After Pope Benedict XVI. WOWNH LLC. 2010. ISBN 978-0-615-35372-2 （英语）.  How the Pope is Elected. ReligionFacts.com

Reardon, 2004, p. 246. Reardon, 2004, p. 249. Pope Francis presides over funeral of predecessor Benedict XVI. France 24. 2023-01-05 [2023-01-05]. （原始内容存档于2023-05-10）