History 619 Description and travel 150 Politics and government 103 Christian saints 99 Statesmen 82 Church history 66 Humanists 54 Religious aspects 47 World history 47 Missions 42 World War, 1939-1945 42 Popish Plot, 1678 41 Catholic Church 40 Antiquities 34 Church and state 31 World War, 1914-1918 31 Foreign relations 29 Controversial literature 27 Catholics 26 Catholic emancipation 24 Kings and rulers 23 Social life and customs 23 Civilization 22 Early works to 1800 21 Gunpowder Plot, 1605 21 Church buildings 20 Buildings, structures, etc 17 Jews 17 Chronology, Historical 16 Trials (Treason) 15 Peace 14 Religion 13 Communism 12 Reformation 11 Relations 11