Incoming Resources
- Saints and sinners, a history of the Popes, Eamon Duffy
- Ten popes who shook the world, Eamon Duffy
- Absolute monarchs, a history of the papacy, John Julius Norwich
- The Popes, histories and secrets : the background and mysteries of the Holy See, together with Antipopes, Jubilees, Conclaves and Ecumenical Councils revealed through the biographies of the 264 Roman Pontiffs, by Claudio Rendina ; translated from the original by Paul D. McCusker
- Absolute monarchs, a history of the papacy, John Julius Norwich
- A history of the popes, from Peter to the present, John W. O'Malley
- The popes, every question answered, Rupert Matthews
- The Vatican diaries, a behind-the-scenes look at the power, personalities and politics at the heart of the Catholic Church, John Thavis