[470] Du Cange.
[471] Ut clerici non pugnent in duello, nec pro se pugiles introducent.—Chron. S. Ægid. in Brunswig.—C. 1. Extra, Lib. V. Tit. xiv.
[472] C. 1. Extra, Lib. I. Tit. xx.
[473] C. 2. Extra, Lib. V. Tit. xiv.
[474] Council. Lateran. IV. can. 18.
[475] C. 22. Decret. caus. II. q. v.—Nicolai PP. I Epist. 148.
[476] Atton. Vercell. De Pressuris Eccles. Pt. I.
[477] Chart. S. Stephani (Batthyani Legg. Eccles. Hung. T. I. p. 384).
[478] Chron. Piscariens. Lib. II. (D’Achery, II. 951).
[479] Cartulaire de l’Église de Paris, I. 378.