Keahey, Thomas Herman, and Conrad Edward Mary Douglas (editors). 1982-85. Johannes Prioris: Opera Omnia. Corpus mensurabilis musicae.  Neuhausen nr. Stuttgart: American Institute of Musicology.

Douglas, Conrad Edward Mary. 1969. The motets of Johannes Prioris with a prefatory bio-bibliographical study. University of Illinois, Ph.D. Dissertation.