Mantova, Biblioteca Comunale Teresiana, C.II.23 (318)
From Clavis Canonum
Mantova, Biblioteca Comunale Teresiana, 318 (C.II.23), saec. XII 2/2, from Polirone, contains the Collectio Hadriano-Hispanica and Anselm of Lucca, Collectio canonum (A Aucta version) (= "A Ven"). At the beginning, it also contains a very small florilegium related to the reworking of Anselm‘s collection.
Digital images at http://digilib.bibliotecateresiana.it/sfoglia_manoscritti2.php?g=Manoscritti%20serie%20generale%2002&sg=MS_318&identifier=MN0035-POLI-ms318_1
See Kéry, pp. 15, 69, 219, respectively.