Title: The year of three popes
Subjects: Bibliography, Papacy, Popes, Election, Biography, History, John paul ii, pope, 1920-2005, Papacy, history, Paul vi, pope, 1897-1978, Catholic Church
People: Paul VI Pope (1897-1978), John Paul I Pope (1912-1978), John Paul II Pope (1920-2005), John Paul II Pope (1920-)
Time periods: 20th century