Hagopian, Viola L. First edition: 1964. Second edition: 1973. Italian Ars Nova Music: A Bibliographical Guide to Modern Editions and Related Literature.  Berkeley: University of California Press.

Hagopian, Viola L. 1973. Italian Ars Nova Musik: A Bibliographic Guide to Modem Editions and Related Literature. 2nd ed.  Berkeley, Los Angeles, and London.