- Vatican City, Biblioteca Apostolica Vaticana, ms. Ross. 625: page range 1r-222r
- Acquired: donated by the estate of L.G. Westerink
- Film: 35mm Black-and-white Positive
Prof. Westerink's note:
"Biblioteca apostolica vaticana. Manuscript. Ross. 625. (entire)
Psellus. In Canticum."
Sent on January 5th, 1984 via postal service from Vatican City to State University of New York, Dept. of Classics, Buffalo, N.Y. 14260. "Raccomandata par avion." Postal stamp: Poste Vaticane, 5.1.84. Labels: "Citta del Vaticano, R 100883" and "386492."
Notes on the side of the box: "Prof. Westerink," "21" (in a circle), "3" (underlined, on the side of the postal address).
At the beginning: Library ID slip of the Biblioteca Apostolica Vaticana.