History 105 Land tenure 86 Motion picture plays, Spanish 67 Architecture 57 Arquitectura 55 urban and land use planning 50 Planificación urbana y uso de las tierras 36 more ... Land reform 32 Tenencia de la tierra 32 Land use 31 Politics and government 28 History and criticism 25 Motion picture plays 25 Social conditions 25 Law and legislation 24 Historia 23 Man-woman relationships 22 Criticism and interpretation 20 Economic conditions 17 Mexican Americans 14 Planificación urbana y de uso de las tierras 14 Storyboards 14 Reforma agraria 13 Urbanization 13 Women 13 Indians of South America 12 Philosophy 12 Education 11 Spanish drama 11 Social life and customs 10 less ...