Comberiati, Carmelo Peter. 1994. The Copying and Dissemination of Choirbooks containing Settings of the Polyphonic Mass at the Court of Emperor Rudolf II. Studien zur Musikwissenschaft, 43: 57-65.
Karp, Theodore. 1988. Compositional Process in Machaut's Ballades'. Music from the Middle Ages through the Twentieth Century: Essays in Honor of Gwynn S. McPeek, Monographs on Musicology. edited by Carmelo Peter Comberiati and Matthew Steel, 64-78. New York: Gordon and Breach.
Comberiati, Carmelo Peter. 1983. Polyphonic Settings of the Mass Ordinary at the Court of Rudolf II (1576-1612). Unpublished Ph.D. dissertation, University of Michigan.