Referenced in:

• mss: 7 - Cambridge, University Library, Ff. 4. 42 xii, 108-9
• mss: 81 - Cambridge, Corpus Christi College, 279 109 [no. 52]
• mss: 148 - Cambridge, St John’s College 59 (C. 9) (the ‘Southampton Psalter’) 110 [no. 53]