History 1 878 Politics and government 634 Historia 459 Social conditions 237 Economic conditions 200 Indians of Mexico 177 Politica y gobierno 159 mer ... History and criticism 143 Foreign relations 104 Social aspects 97 Economic policy 91 Mexican literature 89 Social life and customs 85 Criticism and interpretation 80 Political aspects 80 Emigration and immigration 72 Relations 68 Antiquities 66 Description and travel 65 Political activity 64 Government relations 63 Aztecs 61 Mayas 61 Mexican Americans 58 Civilization 57 Condiciones economicas 54 Historia latinoamericana 49 Literatura latinoamericana 49 Women 49 Nationalism 47 mindre ...