History 2,170 Historia 1,210 Politics and government 825 Indians of Mexico 388 Social conditions 375 Política y gobierno 309 Economic conditions 270 Mais ... Indios de México 249 Indians of South America 236 Condiciones económicas 219 Social life and customs 200 Agricultura 191 Traditional farming 183 Civilization 181 Sustainable development 177 Desarrollo sostenible 176 Antiquities 151 Historia latinoamericana 145 Description and travel 142 Foreign relations 132 Rural conditions 108 Condiciones rurales 106 Government relations 94 Civilización 79 Religion 79 Intellectual life 78 Política 77 Archaeology 75 Arqueología 75 Religión 75 menos ...