History of the Americas 216 History 214 Historia 174 Sociologia Publicaciones periodicas 95 Sociology 72 Politics and government 65 Sociología 63 Economic conditions 40 History and criticism 40 Foreign relations 33 Política y gobierno 33 Social conditions 33 Asian history 32 Historia y crítica 32 Mexico 31 Women 31 Crítica e interpretación 29 México 27 Spanish language 27 International economics 26 Language teaching & learning 22 Biography: literary 21 Civilization 19 Histoire 18 Economics of specific sectors 17 Education 17 Literature: history & criticism 17 Social aspects 17 aMéxico 17 Lengua española 15