Referenced in:

• mss: 441.1 - London, British Library, Harley 5915, fol. 10 (with Weinheim, Sammlung E. Fischer, s.n. [lost; Ernst Fischer gave his collections, including fragments, to the Universitätsbibliothek, Heidelberg, but this fragment has never been found, and may be in a private collection]) 125 n.
• st: 832 - Kassel, Gesamthochschulbibliothek 2o MS.theol. 21 122 [note on line 1541]