Popes. 天主教百科全书. New York: Robert Appleton Company. 1913. Paschal Robinson. Pope Martin IV. 天主教百科全书. New York: Robert Appleton Company. 1913. Paschal Robinson
Gelasius II. The Holy See. [2017-05-15]. (原始内容存档于2016-09-02) (英语). Honorius II. The Holy See. [2017-05-15]. (原始内容存档于2016-11-13) (英语). InnocentII. The Holy
1140–1300. pp. 95–98. Beckwith, John. (1961). "Review: The Tomb of Pope Clement II at Bamberg". The Burlington Magazine, Vol. 103, No. 700, pp. 321–322
State University Northridge. [2017-05-28]. (原始内容存档于2017-05-28) (英语). InnocentII. The Catholic Encyclopedia. 1907–1914 [2017-05-28]. (原始内容存档于2017-05-28)