Cavanaugh, Philip Stephen. 1976. Early Sixteenth-Century Cycles of Polyphonic Mass Propers-An Evolutionary Process or the Result of Liturgical Reforms? Acta Musicologica, 151-65.

Cavanaugh, Philip Stephen. 1972. A Liturgico-Musical Study of German Polyphonic Mass Propers, 1490-1520. University of Pittsburgh, Unpublished Ph.D. dissertation.