History 543 Politics and government 233 Historia 220 Social conditions 187 History and criticism 154 Sociología 146 Sociology 141 Máis ... Social aspects 130 Periodicals 112 Education 111 Publicaciones periódicas 110 Economic conditions 104 Democracy 100 Educación 97 Civilization 91 Globalization 91 Democracia 81 Political science 77 Philosophy 75 Economic development 69 Política y gobierno 69 Political aspects 64 Emigration and immigration 59 Spanish American literature 57 Latin American literature 56 Relations 56 Foreign relations 55 Globalización 55 Política 50 Economic aspects 48 menos ...