Referenced in:

• st: 12 - Cambridge, University Library, Gg. 5. 35 519-20
• st: 363 - London, British Library, Cotton Tiberius A. iii, fols. 2-173 527
• st: 664 - Oxford, Bodleian Library, Rawlinson G. 57 (S.C. 14788) + G. 111 (S.C. 14836] 515