History 128 Politics and government 34 Civilization 20 Social conditions 14 Intellectual life 13 Relations 13 Social aspects 13 more ... Emigration and immigration 12 Foreign relations 11 History and criticism 11 Economic conditions 10 Travel 9 Court and courtiers 8 Description and travel 8 Education, Higher 8 Philosophy 8 Economic integration 7 Enlightenment 7 European literature 7 Social life and customs 7 Communism 6 Immigrants 6 Influence 6 International cooperation 6 Religious aspects 6 Socialism 6 Universities and colleges 6 Catholic Church 5 Civilization, Medieval 5 Criticism and interpretation 5 less ...