History 400 Education 245 Educación 231 History and criticism 218 Historia 147 Filología 131 Classical philology 128 more ... Filología clásica 128 Rural conditions 107 Condiciones rurales 104 Criticism and interpretation 87 General 80 Literatura latinoamericana 71 Politics and government 55 Social conditions 54 Ciencias sociales 47 Study and teaching 47 Philosophy 43 Social aspects 43 Agricultura 40 Spanish literature 39 Social Science 37 Medicina 35 Economic conditions 34 Women 32 Women's studies 31 Agriculture 30 Tecnología 30 Psicología 29 Indians of South America 28 less ...