Economic conditions Economic history Conditions économiques 112 Politics and government 46 Social conditions 45 History 41 Description and travel 28 more ... Commerce 24 Politique et gouvernement 24 Travel 24 Conditions sociales 19 Communism 17 Histoire 17 Descriptions et voyages 14 Emigration and immigration 11 Industries 10 Wirtschaft 10 Population 9 Social life and customs 9 Economic policy 8 Communisme 7 Foreign relations 7 Manners and customs 7 Economics 6 Transportation 6 Agriculture 5 Civilization 5 Commercial policy 5 Diplomatic relations 5 history 5 Aspect économique 4 Economic aspects 4 Émigration et immigration 4 Intellectual life 4 Nationalism 4 Relations extérieures 4 Vie intellectuelle 4 Working class 4 1918-1945 3 Aufsatzsammlung 3 less ...