Referenced in:

• mss: 377 - London, British Library, Cotton Tiberius C. ii 120-1 [repr. Lapidge (1993a) 340-1]
• mss: 526 - Oxford, Bodleian Library, Ashmole 328 (S.C. 6882 and 7420) 110 n. 35 [repr. Lapidge (1993a) 330 n. 35]