Referenced in:

• facs: 111 - Cambridge, Corpus Christi College, 422, pp. 27-570 (the ‘Red Book of Darley’) pl. 3 [pp. 52-3]
• facs: 907 - [Rome], Città del Vaticano, Biblioteca Apostolica Vaticana, Barberini lat. 570 (the ‘Barberini Gospels’) pls. 1-2 [fols. 1r, 80r]