Referenced in:

• mss: 12 - Cambridge, University Library, Gg. 5. 35 239-40
• mss: 23 - Cambridge, University Library, Kk. 3. 21 219-20
• st: 23 - Cambridge, University Library, Kk. 3. 21 222-8
• mss: 68 - Cambridge, Corpus Christi College, 214 228-32
• st: 68 - Cambridge, Corpus Christi College, 214 233
• mss: 193 - Cambridge, Trinity College, O. 3. 7 (1179) 239-40