History 175 Land tenure 86 Architecture 67 Motion picture plays, Spanish 67 Arquitectura 60 Ciencias sociales 52 urban and land use planning 50 more ... Historia 45 Social sciences 45 Justice 41 Justicia 41 History and criticism 40 Politics and government 40 Planificación urbana y uso de las tierras 36 Land reform 32 Tenencia de la tierra 32 Land use 31 Law and legislation 30 Criticism and interpretation 27 Motion picture plays 25 Man-woman relationships 23 Philosophy 22 Psychoanalysis 22 Filosofía 21 Psicoanálisis 21 Social conditions 21 Economic conditions 20 Indians of South America 18 General 17 Urbanization 15 less ...