In the original Cantus index for this manuscript, differentiae were assigned arbitrary numbers withsin each mode.
Gallo, Denise, and Keith Glaeske. Inventory of Paris, Bibliothèque nationale de France - Département des Manuscrits, latin 12044. Edited by Alessandra Ignesti and Sheila Meadley Dunphy. 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-).
Images: Antiphonarium ad usum Sancti Mauri Fossatensis, Latin 12044, Bibliothèque nationale de France, Département des manuscrits (Source gallica.bnf.fr / Bibliothèque nationale de France)
Standardized manuscript tonary completed by Rebecca Shaw (Dalhousie University) on September 14, 2018. Edited by Jennifer Bain, Sister Ilaria Culshaw, and Lucia Denk (Dalhousie University) on July 24, 2019 and Rebecca Shaw on August 7, 2019.