Subject
- Politics and government7
- Temporal power7
- Antichrist6
- Apologetic works6
- Vatican Council6
- Foreign relations5
- Gregory VII, Pope, 1015-10855
- Peter, the Apostle, Saint5
- Renaissance5
- Anti-Catholicism4
- Canonization4
- Catholics4
- Church4
- Church of England4
- History of doctrines4
- Innocent III, Pope, 1160 or 1161-12164
- Leo XIII, Pope, 1810-19034
- Orthodox Eastern Church4
- Reformation4
- Sources4