History 90 Land tenure 86 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 History and criticism 27 Motion picture plays 25 Politics and government 24 Law and legislation 23 Man-woman relationships 23 Criticism and interpretation 22 Social conditions 19 Historia 17 Economic conditions 15 Planificación urbana y de uso de las tierras 14 Storyboards 14 Mexican Americans 13 Reforma agraria 13 Indians of South America 12 Urbanization 12 Women 11 Spanish drama 10 Government relations 9 Land use, Urban 9 Rural conditions 9 less ...