History 622 Description and travel 153 Politics and government 103 Christian saints 99 Statesmen 82 Church history 69 Humanists 54 Religious aspects 49 World history 49 World War, 1939-1945 44 Catholic Church 42 Missions 42 Popish Plot, 1678 41 Antiquities 34 Church and state 32 World War, 1914-1918 31 Foreign relations 30 Controversial literature 27 Catholics 26 Catholic emancipation 24 Kings and rulers 23 Social life and customs 23 Civilization 22 Church buildings 21 Early works to 1800 21 Gunpowder Plot, 1605 21 Jews 18 Buildings, structures, etc 17 Chronology, Historical 16 Peace 15 Trials (Treason) 15 Religion 13 Communism 12 Reformation 11 Relations 11