History 147 Land tenure 86 Motion picture plays, Spanish 67 Architecture 60 Arquitectura 57 urban and land use planning 50 Politics and government 38 more ... Planificación urbana y uso de las tierras 36 History and criticism 35 Land reform 32 Tenencia de la tierra 32 Historia 31 Land use 31 Criticism and interpretation 29 Law and legislation 27 Motion picture plays 25 Man-woman relationships 23 Social aspects 23 Social conditions 20 Economic conditions 16 Law 16 Philosophy 16 Derecho 15 Indians of South America 15 Planificación urbana y de uso de las tierras 14 Storyboards 14 Women 14 Mexican Americans 13 Reforma agraria 13 Study and teaching 13 less ...