In the original Cantus index for this manuscript, differentiae were assigned arbitrary numbers within each mode.
Falconer, Keith, Keith Glaeske, Lila Collamore, and Richard Rice. Inventory of Piacenza, Basilica di S. Antonino - Biblioteca e Archivio Capitolari, 65. In: Cantus: A Database for Latin Ecclesiastical Chant: Inventories of Chant Sources. Directed by Debra Lacoste (2011-), Terence Bailey (1997-2010), and Ruth Steiner (1987-1996). Web developer, Jan Kolácek (2011-).
Differentiae indexed in consultation with a microfilm facsimile of the manuscript.
Standardized manuscript tonary completed by Rebecca Shaw (Dalhousie University) on March 13, 2019. Edited by Jennifer Bain, Sister Ilaria Culshaw, and Lucia Denk (Dalhousie University) on July 24, 2019 and Rebecca Shaw on August 7, 2019.