History 98 Land tenure 86 Motion picture plays, Spanish 67 Architecture 58 Arquitectura 56 urban and land use planning 50 History and criticism 39 more ... Planificación urbana y uso de las tierras 36 Criticism and interpretation 34 Land reform 32 Tenencia de la tierra 32 Land use 31 Historia 27 Law and legislation 27 Motion picture plays 25 Man-woman relationships 22 Politics and government 21 Education 19 Philosophy 18 Social conditions 18 Educación 16 Filosofía 14 Planificación urbana y de uso de las tierras 14 Storyboards 14 Indians of South America 13 Reforma agraria 13 Women 13 Agriculture 12 Economic conditions 12 Spanish drama 12 less ...