Referenced in:

• st: 407 - London, British Library, Cotton Vitellius E. xviii 47 [no. 35] et passim
• st: 531 - Oxford, Bodleian Library, Auctarium D. 2. 19 (S.C. 3946) (the ‘Rushworth’ or ‘MacRegol’ Gospels) 39-40 [colophon of MacRegol]