Referenced in:

• mss: 477 - London, British Library, Royal 8. F. xiv, fols. 3 and 4 137-8
• mss: 491 - London, British Library, Royal 15. B. xix, fols. 1-35 140
• mss: 492 - London, British Library, Royal 15. B. xix, fols. 36-78 141
• mss: 493 - London, British Library, Royal 15. B. xix, fols. 79-199 141