- Mount Athos, Great Lavra Monastery, ms. Α51: page range 1r–334v
- Acquired: unknown
- Film: 35mm Black-and-white Negative
NotesNote: "Athos. (Monasteries). Laura. MSS 51."
At the beginning: informational sheet of the Patriarchal Foundation for Patristic Studies in Thessaloniki, dated on 26 July 1979.