History 2,631 Kings and rulers 621 Foreign relations 399 Politics and government 349 International relations 233 Histoire 225 Church and state 198 more ... Sources 173 Church history 166 Coinage 160 Constitutional history 157 Law 138 Law and legislation 115 Catholic Church 109 Papacy 107 Early works to 1800 105 Middle Ages 94 Reformation 82 Civilization, Medieval 73 Constitutional law 71 Emperors 71 Adulterated coins 70 Relations 64 Popes 49 Thirty Years' War, 1618-1648 49 Finance, Public 45 Religious aspects 44 Civilization 43 Nobility 43 History and criticism 42 less ...