Referenced in:

• st: 94 - Cambridge, Corpus Christi College, 328, pp. 1-80 1549 [sequence]
• st: 400 - London, British Library, Cotton Vitellius A. xviii 1444-1628 [cross-refs. to mass-texts in Vitellius A. xviii]
• ed: 585 - Oxford, Bodleian Library, Bodley 579 (S.C. 2675) (the ‘Leofric Missal’) 1442-1626 [incipits of liturgical forms coll. as Leo]
• ed: 867 - Orléans, Médiathèque, 127 (105) III.1447-1628 [mass prayers coll. as Whc]