Referenced in:

• dec: 377 - London, British Library, Cotton Tiberius C. ii 188
• dec: 893 - Paris, Bibliothèque nationale de France, lat. 9389 (the ‘Echternach Gospels’) passim
• dec: 937 - Stockholm, Kungliga Biblioteket, A. 135 (the ‘Codex Aureus’) 16, 22, 24, 78-88, 104, 112-13, 184