Referenced in:

• st: 93 - Cambridge, Corpus Christi College, 326 84
• st: 252 - Edinburgh, National Library of Scotland, Advocates 18. 6. 12 83 nn. 57-8
• st: 435 - London, British Library, Harley 3271 [Abbo of Saint-Germain]
• st: 438 - London, British Library, Harley 3826 83 n. 57
• st: 686 - Oxford, St John’s College, 154 85-6