History 136 Foreign relations 86 Emigration and immigration 54 Politics and government 53 Relations 49 Historia 40 Social conditions 32 Máis ... Mexicans 30 History and criticism 29 Emigración e inmigración 27 Economic conditions 23 Relaciones exteriores 23 Social aspects 22 Criticism and interpretation 21 Motion picture producers and directors 20 Motion pictures 18 Relaciones internacionales 18 Economic aspects 16 Mexicanos 16 Immigrants 15 Condiciones sociales 14 Relaciones 14 Foreign economic relations 13 Política y gobierno 13 Description and travel 12 Government policy 12 Civilization 11 Political aspects 11 Política 11 Biography 10 menos ...