History 501 Education 254 Educación 242 History and criticism 239 Historia 179 Filología 135 Classical philology 128 more ... Filología clásica 128 Criticism and interpretation 122 Philosophy 112 Politics and government 106 Rural conditions 105 Condiciones rurales 104 General 97 Literatura latinoamericana 74 Social conditions 71 Ciencias sociales 64 Spanish literature 62 Agricultura 60 Social Science 50 Medicina 48 Social aspects 48 Agriculture 45 Civilization 45 Publicaciones periódicas 44 Study and teaching 44 Tecnología 44 Science 43 Economic conditions 42 Literatura 41 less ...