Referenced in:

• mss: 519 - London, Lambeth Palace Library, 431, fols. 145-60 15 [N.R. Ker]
• mss: 520.2 - London, Lambeth Palace Library, 1229, fols. 7 and 8 58 [N.R. Ker]
• mss: 520.3 - London, Lambeth Palace Library, 1230, flyleaf (bifolium) 61 [N.R. Ker]
• mss: 520.4 - London, Lambeth Palace Library, 1231, flyleaves (one bifolium + one leaf) 61 [N.R. Ker]
• mss: 520.5 - London, Lambeth Palace Library, 1233 (part of one bifolium) 62-3 [N.R. Ker]