Cox, Bobby Wayne. 1981. 'Pseudo-Augmentation' in the Manuscript Bologna, Civico Museo Bibliografico Musicale, Q 15 (BL). The Journal of Musicology, 1: 419-48.

Cox, Bobby Wayne. 1977. The Motets of MS Bologna, Civico Museo Bibliografico Musicale, Q 15. Ph.D. dissertation, North Texas State University.