Referenced in:

• ed: 43 - Cambridge, Corpus Christi College, 130 17
• mss: 153.5 - Cambridge, St John’s College, 236 (L. 9) 20
• ed: 342.2 - London, British Library, Cotton Nero A. vii, fols. 1-39, 41-112 [Epistolae of Lanfranc coll. as N]
• mss: 342.2 - London, British Library, Cotton Nero A. vii, fols. 1-39, 41-112 15-16