History and criticism 750 Historia y crítica 559 Mexican literature 542 Literatura mexicana 532 Politics and government 466 History 458 Social conditions 222 Economic conditions 198 Política y gobierno 117 Spanish literature 89 Spanish fiction 87 Spanish poetry 87 Historia 72 Social aspects 55 Literatura española 48 Social movements 47 Condiciones sociales 46 Economic policy 46 Histoire 46 Motion pictures 46 Foreign relations 45 Civilization 44 Condiciones económicas 44 Histoire et critique 43 Colombian fiction 41 Democracy 41 Mexican fiction 39 General 37 Political aspects 37 Politique et gouvernement 37