History 645 Politics and government 317 Historia 239 Social conditions 130 General 111 History and criticism 92 Education 84 Social aspects 74 Law 73 Derecho 71 Ciencias políticas 67 Política y gobierno 66 Foreign relations 62 Social Science 61 Political Science 54 Mapuche Indians 52 Turismo 50 Economic conditions 49 Political aspects 47 Educación 46 Social life and customs 45 Democracy 43 Chilean literature 42 Political activity 42 Human rights 41 Social movements 37 Women 36 Indians of South America 35 Ciencias Sociales 34 Ciencias sociales 33