History 106 Land tenure 86 Motion picture plays, Spanish 67 Architecture 57 Arquitectura 55 urban and land use planning 50 History and criticism 39 more ... Criticism and interpretation 36 Planificación urbana y uso de las tierras 36 Land reform 32 Tenencia de la tierra 32 Land use 31 Law and legislation 25 Motion picture plays 25 Politics and government 24 Historia 22 Man-woman relationships 22 Spanish drama 18 Social conditions 17 Spanish literature 16 Mexican Americans 14 Planificación urbana y de uso de las tierras 14 Storyboards 14 Reforma agraria 13 Urbanization 13 Indians of South America 12 Philosophy 12 Economic conditions 11 Antiquities 10 Literatura española 10 less ...