Nagle, Sister Mary Ellen
Nagle, Sister Mary Ellen. 1972. The Structural Role of the Cantus Firmus in the Motets of Jacob Obrecht. University of Michigan, Unpublished Ph.D. dissertation.
Nagle, Sister Mary Ellen. 1972. The Structural Role of the Cantus Firmus in the Motets of Jacob Obrecht. University of Michigan, Unpublished Ph.D. dissertation.