In the original Cantus index for this manuscript, differentiae were identified by a two-character code, whereby the first character indicated the last pitch of the differentia and an arbitrarily-assigned number distinguished between differentiae that ended on the same note within a mode.
Klugseder, Robert. Inventory of München, Bayerische Staatsbibliothek, Clm 4303. Edited by Debra Lacoste. 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: Clm 4303, Cantus Planus, Universität Regensburg
Standardized manuscript tonary completed by Rebecca Shaw (Dalhousie University) on March 10, 2018. Edited by Jennifer Bain, Sister Ilaria Culshaw, Andrea Klassen, and Brayden Olson and (Dalhousie University) on August 8, 2019 and Rebecca Shaw on August 11, 2019.