History 99 Land tenure 86 Motion picture plays, Spanish 67 Architecture 59 Arquitectura 56 urban and land use planning 50 Planificación urbana y uso de las tierras 36 more ... Education 33 History and criticism 33 Land reform 32 Tenencia de la tierra 32 Land use 31 Law and legislation 30 Politics and government 29 Criticism and interpretation 28 Educación 26 Motion picture plays 25 Man-woman relationships 23 Historia 21 Social conditions 21 Curricula 17 Economic conditions 16 Urbanization 16 Mexican Americans 14 Planificación urbana y de uso de las tierras 14 Storyboards 14 Women 14 Philosophy 13 Reforma agraria 13 City planning 12 less ...