In the original Cantus index for this manuscript, differentiae were identified numerically within each mode according to the facsimile edition of the manuscript.
Klugseder, Robert. Inventory of Lucca, Biblioteca Capitolare Feliniana e Biblioteca Arcivescovile, 601. 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-).
Mocquereau, Dom André, director. Antiphonaire Monastique, XIIe siècle, Codex 601 de la bibliothèque capitulaire de Lucques. Paléographie Musicale, Volume 9. Berne: Herbert Lang & Cie SA, 1974.
Standardized manuscript tonary completed by Rebecca Shaw (Dalhousie University) on May 6, 2018. Edited by Jennifer Bain, Sister Ilaria Culshaw, and Lucia Denk (Dalhousie University) on July 24, 2019 and Rebecca Shaw on August 7, 2019.