History 57,473 Politics and government 21,742 Indians of Mexico 14,542 Social conditions 9,933 Antiquities 9,820 Economic conditions 9,505 Social life and customs 6,353 Description and travel 5,878 Foreign relations 4,949 Social aspects 4,490 Law and legislation 4,251 Economic history 3,903 Mayas 3,603 Emigration and immigration 3,390 Histoire 3,326 Economic policy 3,288 Women 3,275 History and criticism 3,122 Economic aspects 3,067 Education 3,058 Travel 2,860 Religion 2,752 Political science 2,746 Agriculture 2,704 Civilization 2,609 Manners and customs 2,535 Sources 2,501 Commerce 2,406 Constitutional law 2,253 Architecture 2,209 Aztecs 2,153 Land tenure 2,077 Political activity 2,032 Historia 1,994 Biography 1,967 Missions 1,949 Government policy 1,891 Church history 1,859 Excavations (Archaeology) 1,816 Criticism and interpretation 1,798 Art, Mexican 1,767 Periodicals 1,757 Relations 1,727 Mexican literature 1,722 International relations 1,703 Diplomatic relations 1,691 Presidents 1,680 Law 1,637 Statistics 1,632 Indian art 1,592 Elections 1,574 Finance 1,557 Political aspects 1,486 Spanish language 1,484 Industries 1,478 Indians of Central America 1,473 Popular music 1,438 Art 1,432 Mexicans 1,406 Church and state 1,379 Population 1,378 Free trade 1,367 Foreign economic relations 1,360 Music 1,353 Constitutional history 1,340 Human rights 1,330 Bibliography 1,310 Boundaries 1,308 Intellectual life 1,305 Congresses 1,275 Government relations 1,237 Buildings, structures, etc 1,212 Drug traffic 1,197 Languages 1,170 Religious life and customs 1,147 Social policy 1,116 Labor unions 1,113 City planning 1,111 Motion pictures 1,089 Social history 1,086 Political parties 1,055 Historiography 1,052 Education, Higher 1,049 Taxation 1,047 Democracy 1,039 Politique et gouvernement 1,039 Finance, Public 1,031 Folklore 1,025 Working class 1,020 Geology 1,018 Legal status, laws, etc 1,016 Rites and ceremonies 1,014 Mexican War, 1846-1848 1,010 Civil rights 1,008 Study and teaching 998 Rural conditions 989 Jews 987 Immigrants 964 Political participation 958 Petroleum industry and trade 952