O canenda vulgo per computa / Rex quem metrorum depingit / Rex regnum

Bibliography

Zwick, Gabriel. 1948. Deux motets inédits de Philippe de Vitry et de Guillaume de Machaut. Revue de musicologie, 27: 27-57. pp. 40.

Schrade, Leo (ed.) 1956-. Polyphonic Music of the Fourteenth Century. 24 vols. Monaco. pp. (1), 106-109.

Caldwell, John. 1978. Medieval Music.  London. pp. no. 64.

Blachly, Alexander. 1971. The Motets of Philippe de Vitry. Master's thesis, Columbia University. pp. 120.