History Social conditions Politics and government 1,878 Women 1,618 Economic conditions 1,448 Social aspects 1,374 Race relations 1,097 tuilleadh ... African Americans 921 Social life and customs 708 Ethnic relations 589 Social change 434 Slavery 393 Civilization 364 Political aspects 358 Jews 348 Sex role 315 Political activity 295 Intellectual life 285 Civil rights 275 Social classes 267 Feminism 248 Emigration and immigration 246 Immigrants 239 Political culture 231 Racism 229 Working class 229 World War, 1939-1945 218 History and criticism 217 Influence 217 Employment 186 lúide ...