- Florence, Biblioteca Medicea Laurenziana, ms. Plut. 28, 45: page range 63v–118v
- Acquired: donated by the estate of L.G. Westerink
- Film: 35mm Black-and-white Positive
Prof. Westerink's note: "Biblioteca medicea laurenziana. Manuscript. Laur. 28.45. Psellus. De Oper. Daem.: ff. 71 recto-111 verso. Pos."
[Prof. Westerink was using the old foliation of the ms.; Psellus' text is found on fols. 77r-118r according to the folio numbers used in new catalogs].
Photographed by Guido Sansoni, Florence.
At the end: informational label of the Biblioteca Medicea Laurenziana, dated on December 1961.