Land tenure 86 History 85 Motion picture plays, Spanish 67 Architecture 57 Arquitectura 55 urban and land use planning 50 Planificación urbana y uso de las tierras 36 more ... Land reform 32 Tenencia de la tierra 32 Land use 31 Motion picture plays 25 Law and legislation 23 Criticism and interpretation 22 History and criticism 22 Man-woman relationships 22 Politics and government 21 Social conditions 18 Historia 16 Planificación urbana y de uso de las tierras 14 Storyboards 14 Mexican Americans 13 Reforma agraria 13 Economic conditions 12 Indians of South America 12 Urbanization 12 Rural conditions 10 Spanish drama 10 Women 10 Government relations 9 Land use, Urban 9 less ...