Classification General 76 SCIENCE 65 Life Sciences 59 NATURE 47 Biology 43 SOCIAL SCIENCE 39 Plants 36 History 35 Animals 29 LANGUAGE ARTS & DISCIPLINES 29 classification 28 MEDICAL 26 Library & Information Science 23 Zoology 23 classification (information handling function) 23 Folklore 22 Histoire 21 Botany 20 Clasificación 20 Ecology 20 HEALTH & FITNESS 20 TECHNOLOGY & ENGINEERING 20 Antiquities 19 Identification 18 Biologie 17 Social aspects 17 Archaeology 16 Folklore & Mythology 16 Information organization 16