1. Agawu, Kofi. 1992. “Theory and Practice in the Analysis of the Nineteenth-Century ‘Lied’.” Music Analysis 11 (1): 3–36. https://doi.org/10.2307/854301.
2. Atkin, Albert. [2006, 2010] 2013. “Peirce's Theory of Signs.” In The Stanford Encyclopedia of Philosophy. Summer 2013 ed., ed. Edward N. Zalta. Accessed March 18, 2021. https://plato.stanford.edu/archives/sum2013/entries/peirce-semiotics.
3. Balbi, Ludovico. 1589. Musicale essercitio. Gardano.
4. Banchieri, Adriano 1644 [1981] Cartella. Translated by Clifford A. Cranna Jr. PhD diss., Stanford University.
5. Brown, Howard Mayer. 1980. “Words and Music: Willaert, the Chanson, and the Madrigal About 1540.” In Florence and Venice: Comparisons and Relations: Acts of Two Conferences at Villa i Tatti in 1976–1977. Vol. II: Il Cinquecento. Edited by Christine Smith with Salvatore I. Camporeale, 217–66. La Nuova Italia Editrice.