Pope Boniface VIII

关于教宗的序数存在一些问题： 斐理斯二世（英语：Antipope Felix II）（356–357）、博义七世（英语：Boniface VII）（974、984–985）、若望十六世（997–998）、本笃十世（1058–1059）及亚历山大五世（1409–1410）为对立教宗，由此未列于列表内。

(2004). Cardinal Pietro Ottoboni (1667–1740) and the Vatican tomb of Pope Alexander VIII. Diane Publishing. ISBN 978-0-87169-252-8. Reardon, 2004, p. 218

[2017-12-24]. （原始内容 (PDF)存档于2013-11-01） （英语）.  Peterson, John B. Pope St. Boniface I. The Catholic Encyclopedia. New York: Robert Appleton Company. 1907

Baumgartner, 2003, pp. 206–208. Greeley, Andrew M. 2005. The Making of the Pope: 2005. Brown, Little. ISBN 0-316-86149-9. TODAY, Eric J. Lyman, Special for

decrees of infallible authority. Such, for instance, is the bull of Boniface VIII., Unam Sanctam. As this has become the text and centre of the whole