Thomas Christensen, Stories of Tonality in the Age of François-Joseph Fétis Chicago: University of Chicago Press, 2019), Chapters 1, 5m 6 and 7, pp. 1-28 and 158-269.
F.J. Fétis, Chapter II Traité complet de la théorie et de lat practique de l'harmonie et. al. (1967) (in French).
David Lewin, "Concerning the Inspired Revelation of F.J. Fétis" Theoria 2 (1987), 1-12.