Referenced in:

• ed: 248 - Durham, Cathedral Library, B. IV. 24, fols. 5-127 1-149 [base MS for Lanfranc, Constitutiones]
• mss: 248 - Durham, Cathedral Library, B. IV. 24, fols. 5-127 xxiii
• mss: 268.2 - Hereford, Cathedral Library, P. V. 1, fols. 1-28 xxiii-xxiv