Baumgartner, Frederic J., Behind Locked Doors: A History of the Papal Elections. New York: Palgrave Macmillan, 2003.
5th Floor, BX1805 .B324 2004 This is a reference guide to every papal election up till the death of Pope John Paul II. Baumgartner fills the book with useful information, such as the fact that using white smoke to indicate selection of a pope is a relatively recent (1914) development.
Allen, John L., Conclave: The Politics, Personalities, and Process of the Next Papal Election. 2002
Available from Lauinger Library. Georgetown University community may log in and request via our catalog.
Walsh, Michael, The Conclave: A Sometimes Secret and Occasionally Bloody History of Papal Elections. Lanham, MD, Sheed & Ward, 2003. Print available at Lauinger Library