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 28 Motion picture plays 25 Criticism and interpretation 24 Law and legislation 23 Politics and government 23 Man-woman relationships 22 Social conditions 18 Historia 17 Planificación urbana y de uso de las tierras 14 Storyboards 14 Mexican Americans 13 Reforma agraria 13 Urbanization 13 Indians of South America 12 Spanish drama 12 Economic conditions 11 Women 11 Social aspects 10 Government relations 9 Land use, Urban 9 less ...