- Mount Athos, Dionysiou Monastery, ms. 274 (nunc 168): page range 1r–28v; 474r–487r
- Acquired: donated by the estate of L.G. Westerink
- Film: 35mm Black-and-white Negative
Prof. Westerink's note: "Mone Dionysiou (Athos, Greece). Manuscript. 274. Psellus. Ep., et. al.?: ff. 1 recto-28 recto, 474 recto-487 recto."
Copy of WEST.MTA.1.4. with additional pages.