Leech-Wilkinson, D. (2002). The modern invention of medieval music : scholarship, ideology, performance. Cambridge University Press.
Apel, W. (1942). The notation of polyphonic music, 900-1600. The Medieval Academy of America.
Grout, D. J., & Hanning, B. R. (2014). Norton anthology of western music (J. P. (James P. Burkholder & C. V. Palisca, Eds.; Seventh edition.). W.W. Norton.
Taruskin, R. (2005). The Oxford history of western music (chs. 2, 3, 5, 6, 9). Oxford University Press.
Klausner, D. N. (1986). Studies in the Performance of Late Medieval Music . Stanley Boorman. Speculum, 61(3), 618-620. doi.org/10.2307/2851600
Horne, Nigel (2014). The Written Notation of Medieval Music.
Blachly, Ale...