Author
- Adam, von Bremen1
- Catholic Church. Pope1
- David, Charles Wendell1
- Ferguson, Mary Anne1
- John, of Paris1
- Larson, Laurence Marcellus1
- Lunt, William E.2
- McGinn, Bernard1
- McNeill, John T.1
- Mommsen, Theodor Ernst1
- Morrison, Karl Frederick1
- Odo Rigaldus, Archbishop of Rouen1
- Orosius, Paulus1
- Rositzke, Harry August1
- Salvian, of Marseilles1
- Shotwell, James Thomson1
- Sylvester II, Pope1
- Venette, Jean Fillon1
- Wakefield, Walter L.1