History 172 Land tenure 86 Motion picture plays, Spanish 67 Architecture 62 Arquitectura 59 urban and land use planning 50 Historia 44 more ... History and criticism 39 Law and legislation 38 Planificación urbana y uso de las tierras 36 Politics and government 36 Criticism and interpretation 34 Land reform 32 Tenencia de la tierra 32 Land use 31 Motion picture plays 25 Philosophy 24 Social conditions 23 Man-woman relationships 22 Social aspects 22 Administración pública 20 Public administration 20 Construcción 19 Derecho 19 Law 19 Economic conditions 17 Education 17 General 17 Management 17 Study and teaching 16 less ...