Brauner 1982 Mitchell P. Brauner, 'The Parvus Manuscripts: A Study of Vatican Polyphony, ca. 1535 to 1580' (Ph.D. diss., Brandeis University, 1982).
US-U, Renaissance Archives Champaign-Urbana - University of Illinois - School of Music - Renaissance Archives [US-U] VatS 76