Zeitschrift 238 History 178 Research 124 Education 111 Diseases 85 Psychology 81 Study and teaching 78 Medicine 75 Pe ́riodiques 74 Publications pe ́riodiques 73 Periodicals 72 Mathematics 69 Science 66 Historia 60 Social sciences 60 Philosophy 52 Sociology 47 Politics and government 45 Psychologie 44 Publicaciones periódicas 44 Culture 43 Droit 40 Histoire 40 Biology 38 Law 38 Online-Ressource 38 Recherche 37 Surgery 37 Social aspects 35 Educación 34