Referenced in:

• st: 506 - London, Lambeth Palace Library, 149, fols. 1-139 68-9 and nn.
• mss: 628 - Oxford, Bodleian Library, Hatton 30 (S.C. 4076) 86-7
• st: 912 - [Rome], Città del Vaticano, Biblioteca Apostolica Vaticana, Reg. lat. 12 56 n. 65