Social conditions History 225 Economic conditions 138 Politics and government 115 Women 87 Social aspects 75 Social life and customs 60 Civilization 27 Social sciences 27 Race relations 26 Ethnic relations 24 African Americans 23 Emigration and immigration 21 Social change 20 Political activity 19 Immigrants 18 Equality 17 Government policy 17 Political aspects 17 Sex role 17 Aboriginal Australians 16 Documentary photography 16 Employment 15 Black people 14 Education 14 Feminism 14 Ethnic identity 13 Ethnology 13 Intellectual life 13 Foreign relations 12