History 115 Land tenure 86 Motion picture plays, Spanish 67 Architecture 59 Arquitectura 55 urban and land use planning 50 History and criticism 41 more ... Politics and government 41 Planificación urbana y uso de las tierras 36 Land reform 32 Tenencia de la tierra 32 Land use 31 Criticism and interpretation 28 Historia 25 Motion picture plays 25 Law and legislation 24 Man-woman relationships 23 Social conditions 21 Economic conditions 17 Mexican Americans 14 Philosophy 14 Planificación urbana y de uso de las tierras 14 Storyboards 14 Indians of South America 13 Reforma agraria 13 Women 13 General 12 Urbanization 12 Spanish drama 11 Social aspects 10 less ...