History 219 Land tenure 86 History and criticism 73 Historia 70 Motion picture plays, Spanish 67 General 63 Architecture 61 more ... Arquitectura 61 Criticism and interpretation 53 urban and land use planning 50 Politics and government 47 Education 41 Science 39 Law and legislation 37 Planificación urbana y uso de las tierras 36 Economic conditions 35 Educación 35 Land reform 32 Tenencia de la tierra 32 Land use 31 Social conditions 31 Ciencias 30 Social aspects 27 Philosophy 26 Motion picture plays 25 Motion pictures 25 Spanish literature 23 Ciencias sociales 22 Man-woman relationships 22 Public administration 21 less ...