History 109 Land tenure 86 Motion picture plays, Spanish 67 Architecture 57 Arquitectura 55 urban and land use planning 50 Agriculture 36 more ... Agronomía 36 Planificación urbana y uso de las tierras 36 Agronomy 34 History and criticism 32 Land reform 32 Tenencia de la tierra 32 Land use 31 Animal science 30 Agricultura 29 Agronomia 27 Historia 27 Criticism and interpretation 25 Law and legislation 25 Motion picture plays 25 Politics and government 24 Man-woman relationships 23 Social conditions 19 Cattle 16 Ganado 16 Science 15 Economic conditions 14 Planificación urbana y de uso de las tierras 14 Spanish language 14 less ...