Economic conditions 91 Economic history 26 Politics and government 24 Social conditions 21 Civilization 16 History 16 Conditions économiques 11 more ... Social life and customs 11 Depressions 10 Description and travel 8 Foreign relations 7 Economic policy 6 Working class 6 Capitalism 5 Communism 5 Labor 5 World War, 1939-1945 5 Descriptions et voyages 4 Industrial policy 4 Labor and laboring classes 4 Labor movement 4 New Deal, 1933-1939 4 Politique et gouvernement 4 Travel 4 Unemployed 4 Commerce 3 Economics 3 Immigrants 3 Industries 3 Nineteen twenties 3 Personal narratives 3 Social problems 3 World War, 1914-1918 3 1918-1945 2 Agriculture 2 Aufsatzsammlung 2 British 2 Civilisation 2 Conditions sociales 2 Diplomatic relations 2 less ...