Referenced in:

• facs: 77 - Cambridge, Corpus Christi College, 272 (the ‘Achadeus Psalter’) pls. 1 [fol. 58r], 2(a)-(e) [fols. 40v, 51v, 69r, 133v, 108r (all details)]
• mss: 77 - Cambridge, Corpus Christi College, 272 (the ‘Achadeus Psalter’)