History 411 Popes 387 Catholic Church 204 Papacy 122 History and criticism 101 Criticism and interpretation 96 Religious aspects 90 more ... Church history 83 Doctrines 70 Temporal power 63 Histoire 56 Church and state 50 Foreign relations 49 World War, 1939-1945 49 Papes 42 Primacy 42 Relations 41 Christianity 37 Publications about Graduates 37 Church and social problems 36 English literature 35 Poets, English 34 Infallibility 33 Judaism 33 Art patronage 31 History of doctrines 30 Holocaust, Jewish (1939-1945) 30 Histoire et critique 28 Verse satire, English 28 Election 27 less ...