History 57,311 Politics and government 21,700 Indians of Mexico 14,495 Social conditions 9,894 Antiquities 9,788 Economic conditions 9,488 Social life and customs 6,331 Description and travel 5,872 Foreign relations 4,929 Social aspects 4,463 Law and legislation 4,242 Economic history 3,896 Mayas 3,586 Emigration and immigration 3,374 Economic policy 3,272 Women 3,255 Histoire 3,138 History and criticism 3,116 Economic aspects 3,062 Education 3,022 Travel 2,847 Religion 2,745 Political science 2,744 Agriculture 2,695 Civilization 2,605 Manners and customs 2,534 Sources 2,497 Commerce 2,400 Constitutional law 2,255 Architecture 2,208 Aztecs 2,153 Land tenure 2,069 Political activity 2,023 Historia 1,992 Biography 1,964 Missions 1,947 Government policy 1,879 Church history 1,851 Excavations (Archaeology) 1,810 Criticism and interpretation 1,792 Art, Mexican 1,763 Periodicals 1,756 Relations 1,722 Mexican literature 1,718 International relations 1,702 Diplomatic relations 1,689 Presidents 1,679 Law 1,632 Statistics 1,608 Indian art 1,585 Elections 1,570 Spanish language 1,481 Political aspects 1,475 Industries 1,471 Indians of Central America 1,464 Popular music 1,438 Art 1,429 Mexicans 1,405 Church and state 1,374 Population 1,372 Free trade 1,370 Foreign economic relations 1,358 Music 1,351 Constitutional history 1,337 Human rights 1,326 Bibliography 1,307 Boundaries 1,307 Intellectual life 1,300 Congresses 1,277 Government relations 1,232 Buildings, structures, etc 1,213 Drug traffic 1,195 Finance 1,171 Languages 1,170 Religious life and customs 1,144 Social policy 1,112 Labor unions 1,110 City planning 1,106 Social history 1,087 Motion pictures 1,085 Political parties 1,054 Historiography 1,050 Education, Higher 1,046 Democracy 1,037 Folklore 1,022 Geology 1,018 Working class 1,018 Legal status, laws, etc 1,015 Rites and ceremonies 1,012 Mexican War, 1846-1848 1,007 Civil rights 1,006 Politique et gouvernement 1,002 Study and teaching 997 Taxation 996 Rural conditions 986 Jews 980 Finance, Public 977 Immigrants 960 Political participation 958 Railroads 948