Economic conditions History 371 Social conditions 322 Economic history 232 African Americans 167 Politics and government 136 Conditions économiques 132 more ... Description and travel 105 Taxation 83 Commerce 72 Emigration and immigration 65 Race relations 48 Employment 47 Sources 41 Social life and customs 40 Economic aspects 39 Slavery 39 Finance, Public 38 Conditions sociales 32 Economic policy 32 Militia 32 Travel 31 Agriculture 30 Industries 29 Communism 28 Politique et gouvernement 27 Labor and laboring classes 26 Periodicals 26 Depressions 23 Finance 23 Population 23 Revolution 23 Histoire 21 Appropriations and expenditures 20 Civilization 20 Indians of North America 20 Descriptions et voyages 19 Economics 19 Immigrants 17 Social aspects 17 less ...