- Vatican City, Biblioteca Apostolica Vaticana, ms. Urb. gr. 68: page range 188v-210r
- Acquired: donated by the estate of L.G. Westerink
- Film: 35mm Black-and-white Negative
Prof. Westerink's note:
"Biblioteca apostolica vaticana. Manuscript. Urb. Gr. 68.
ff. 189-209 verso. Aphor.; Progn. c. schol."
Note on the side of the box: "Negative - Printed."
Letter "N" written with sharpie on the old leader.
At the beginning: Library ID slip of the Biblioteca Apostolica Vaticana. Label "A. Z." in the upper left corner.