Relations Christianity 39 Christianity and other religions 39 Judaism 31 History 25 Islam 23 Civilization 7 more ... Foreign relations 7 Politics and government 6 Buddhism 5 Catholic Church 5 Doctrines 4 Lutheran Church 4 Public opinion 4 Religious aspects 4 Christian union 3 Christians 3 Church history 3 Colonies 3 Criticism, interpretation, etc 3 Diplomats 3 Education 3 Germans 3 Jewish interpretations 3 Jews 3 Post-communism 3 Protestant churches 3 Relaciones 3 World War, 1914-1918 3 American influences 2 less ...