Claude V. Palisca, The Ancient Musica Speculativa and Renaissance Musical Science, Humanism in Italian Renaissance Musical Thought New Haven: Yale University Press, 1985, 226-279.
Claude V. Palisca, The Poetics of Musical Composition, Music and Ideas in the Sixteenth and Seventeenth Centuries, Urbana and Chicago: University of Illinois Press, 2006, 49-69.
Megan Kaes Long, How We Got into Harmonic Tonality, and How to Get Out, Hearing Homophony: Tonal Expectation at the Turn of the Seventeenth Century, Oxford: Oxford University Press, 2020, 1-23.
Megan Kaes Long, Humanism and the Invention of Homophony, Hearing Homophony: Tonal Expectation at the Turn of the Seventeenth Century, 203-248.
Claude V. Palisca, Greek Tonality and Western Modality, Humanism in Italian Renaissance Musical Thought, 280-332.