St. Gallen, Stiftsbibliothek / Cod. Sang. 214 – Gregorii M. Dialogi libri IV / Vorderseite |
Lowe Elias Avery, Codices Latini Antiquiores. A palaeographical guide to latin manuscripts prior to the ninth century. Part VII: Switzerland, Oxford 1956 (Osnabrück 1982), p. 26.