Social conditions History 256 Politics and government 91 Economic conditions 81 Race relations 67 Ethnic relations 61 Social aspects 53 HISTORY 44 Conditions sociales 43 African Americans 42 Histoire 41 Social life and customs 41 Immigrants 37 Ethnic identity 32 Community life 29 Emigration and immigration 27 General 27 Indians of South America 27 SOCIAL SCIENCE 24 Mexican Americans 18 State & Local 17 Civil rights 16 Civilization 16 Government relations 16 Intellectual life 15 Blacks 14 Frontier and pioneer life 14 Social change 14 Racism 13 Aspect social 11