University of Michigan: The chair of Peter, or, the papacy considered in its institution, development and organization, and in the benefits which, for over eighteen centuries, it has conferred on mankind. London : Burns and Oates ; New York : Catholic Publication Society Co., 1886. Teoksen verkkoversio Viitattu 3.1.2023.
Miles Pattenden: Electing the Pope in Early Modern Italy, 1450-1700. Oxford University Press, 2017. ISBN 978-0-19-879744-9Teoksen verkkoversio Viitattu 3.1.2023. (englanniksi)
Ferdinando Petruccelli della Gattina: Histoire diplomatique des conclaves. Lacroix, 1866. Teoksen verkkoversio Viitattu 3.1.2023. (ranskaksi)
Francis A. Burkle-Young: Papal Elections in the Age of Transition, 1878-1922. Lexington Books, 2000. ISBN 978-0-7391-0114-8Teoksen verkkoversio Viitattu 3.1.2023. (englanniksi)
