History Social conditions Politics and government 1 842 Women 1 614 Economic conditions 1 431 Social aspects 1 356 Race relations 1 093 lisää ... African Americans 918 Social life and customs 700 Ethnic relations 587 Social change 431 Slavery 393 Civilization 356 Political aspects 355 Jews 347 Sex role 315 Political activity 291 Intellectual life 281 Civil rights 274 Social classes 265 Feminism 247 Emigration and immigration 242 Immigrants 233 Political culture 230 Racism 230 Working class 226 World War, 1939-1945 218 History and criticism 210 Influence 209 Employment 186 vähemmän ...