Referenced in:

• lang: 65.5 - Cambridge, Corpus Christi College, 201, pp. 8-160, 167-76 67-70
• mss: 65.5 - Cambridge, Corpus Christi College, 201, pp. 8-160, 167-76 9-14
• mss: 644 - Oxford, Bodleian Library, Junius 121 (S.C. 5232) 3-9