History 41 Philosophers 20 Politics and government 14 Mexican Americans 13 Civil rights 7 Authors, American 6 Childhood and youth 6 更多 ... Ethnic relations 6 Family 6 Rock musicians 6 Women 6 Civil rights workers 5 Heads of state 5 Novelists, English 5 Philosophers, Ancient 5 Physicists 5 Authors, English 4 Motion picture producers and directors 4 Philosophy, Ancient 4 Political activists 4 Revolutionaries 4 Social conditions 4 Criticism and interpretation 3 Description and travel 3 History and criticism 3 Intellectual life 3 Intellectuals 3 Mexican American women 3 Mexicans 3 Presidents 3 少 ...