1 Bettenson, E, "The Early Christian Fathers" Oxford Univ. Press 1956
2 Marsilius of Padua, "The Defensor Pacis" Harper and Row 1956
3 St. Augustine, "The City of God" Macmillan 1949
4 Coker, F. W., "Readings in Political Philosophy" Macmillan 1955
5 Lewis, Ewart, "Medieval Political ideas" Alfred Knopf 1954
6 Ullman, Walter, "Medieval Papalism: The Political Theories of Medieval Canonists" Metheun 1949
7 Reilly, G. G., "Imperium and Sacerdotium according to St. Basil the Great" Catholic Univ. Press 1945
8 Barker, E., "From Alexander to Constantine: 1955 Passages and Documents illustrating the History of Social and Political ideas 336 BC-AD 337" Oxford Univ. Press 1956
9 Turner, C. H., "Essays on the Early History of the Church and Ministry" Macmillan 1921
10 Sabine, George, "A History of Political Theory" Dryden Press 1973
1 Bettenson, E, "The Early Christian Fathers" Oxford Univ. Press 1956
2 Marsilius of Padua, "The Defensor Pacis" Harper and Row 1956
3 St. Augustine, "The City of God" Macmillan 1949
4 Coker, F. W., "Readings in Political Philosophy" Macmillan 1955
5 Lewis, Ewart, "Medieval Political ideas" Alfred Knopf 1954
6 Ullman, Walter, "Medieval Papalism: The Political Theories of Medieval Canonists" Metheun 1949
7 Reilly, G. G., "Imperium and Sacerdotium according to St. Basil the Great" Catholic Univ. Press 1945
8 Barker, E., "From Alexander to Constantine: 1955 Passages and Documents illustrating the History of Social and Political ideas 336 BC-AD 337" Oxford Univ. Press 1956
9 Turner, C. H., "Essays on the Early History of the Church and Ministry" Macmillan 1921
10 Sabine, George, "A History of Political Theory" Dryden Press 1973