↑MacDonald, William L. (1976).The Pantheon: Design, Meaning, and Progeny. Cambridge, MA: Harvard University Press. ISBN|0-674-01019-1
↑Martyrologium Romanum: ex Decreto Sacrosancti oecumenici Concilii Vaticani II instauratum auctoritate Ioannis Pauli P.P. II promulgatum, Romae 2001,ISBN 8820972107
Hunt, William. The English Church from Its Foundation to the Norman Conquest. Vol. 1. "A History of the English Church", W. R. W. Stephens and William Hunt, ed. London: Macmillan and Co., 1901. 42
Jaffé, Regesta Pontificum Romanorum ab condita ecclesia ad annum 1198. Berlin, 1851; 2d ed., Leipsic, 1881–88. I, 220
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