Moleta, Vincent. 1976. The Early Poetry of Guittone d'Arezzo, MHRA Texts and Dissertations, 9 (MHRA)
Mercer, R. G. G.. 1979. The Teaching of Gasparino Barzizza: With Special Reference to his Place in Paduan Humanism, MHRA Texts and Dissertations, 10 (MHRA)