Gratian I   C.8 q.3 d.p.c.1  and c.2,  Sankt Gallen, Stiftsbibliothek 673, fol. 86

De casu uero secundo sic inuenitur in gestis Vrbani ii. ut post electionem pro ecclesie indempnitate possit electus usurare.

Artaldus Alanensis episcopus narbonensis ecclesie suffraganeus Romam consecrandus ad dominum papam Vrbanum uenit.  Suus quippe archiepiscopus eum consecrare nolebat, quoniam post electionem suam, propter bona ecclesie conseruanda, canonicis iurauit; consecrandus est itaque a domino papa Vrbano ante purgatus huiusmodi iuramento.

Collectio Catalaunensis 1, Chalons-sur-Marne BM 47

Collectio Catalaunensis 2, Chalons-sur-Marne BM 75

Tripartita, Paris BN lat. 3858B

Collectio IX librorum (Archivio S. Pietro C.118)

Robert Somerville, Pope Urban II, The Collectio Britannica, and the Council of Melfi (1089) (Oxford 1996), CB 8, 11, 17, 28, 44. In the Collectio Britannica, this letter was given the inscription: "Ex registro eiusdem"  (Somerville, p. 53-54).