Economic conditions History 350 Social conditions 299 Economic history 175 African Americans 161 Politics and government 120 Conditions économiques 99 more ... Description and travel 93 Taxation 83 Commerce 67 Emigration and immigration 58 Race relations 47 Employment 45 Sources 41 Finance, Public 38 Economic aspects 34 Slavery 34 Social life and customs 34 Militia 32 Economic policy 29 Agriculture 28 Industries 27 Labor and laboring classes 26 Periodicals 26 Conditions sociales 25 Communism 23 Revolution 23 Travel 23 Depressions 22 Finance 22 Appropriations and expenditures 20 Population 20 Civilization 18 Economics 18 Histoire 18 Indians of North America 18 Politique et gouvernement 18 Immigrants 16 Banks and banking 14 Capitalism 14 less ...