History 210 Land tenure 86 Motion picture plays, Spanish 67 Historia 63 History and criticism 63 Architecture 60 Arquitectura 60 more ... General 60 Politics and government 50 urban and land use planning 50 Criticism and interpretation 48 Planificación urbana y uso de las tierras 36 Economic conditions 34 Law and legislation 34 Science 33 Land reform 32 Tenencia de la tierra 32 Land use 31 Ciencias 30 Social conditions 30 Education 28 Social aspects 28 Motion picture plays 25 Ciencias sociales 22 Educación 22 Man-woman relationships 22 Motion pictures 22 Spanish literature 22 Social life and customs 21 Administración pública 20 less ...