 A General Works (總類) | 648 | |
| B Philosophy. Psychology. Religion (哲學、心理學、宗教 ) | 9587 | |
| C Auxiliary Sciences of History (歷史學及相關科學) | 575 | |
| D History: General and Old World (古代史及世界各國史,美洲歷史除外) | 4461 | |
| E History: America (美洲歷史) | 1520 | |
| F History: America (美洲歷史) | 847 | |
| G Geography. Anthropology. Recreation (地理學、人類學、娛樂 ) | 5136 | |
| H Social Sciences (社會科學) | 47068 | |
| J Political Science (政治學) | 5204 | |
| K Law (法律 ) | 4443 | |
| L Education (教育) | 7691 | |
| M Music and Books on Music (音樂) | 1260 | |
| N Fine Arts (美術 ) | 5733 | |
| P Philology and Literature (語言學、文學) | 25116 | |
| Q Science (科學) | 66038 | |
| R Medicine (醫學) | 20420 | |
| S Agriculture (農業) | 2215 | |
| T Technology (科技) | 43336 | |
| U Military Science (軍事科學) | 577 | |
| V Naval science (海軍學 ) | 155 | |
| Z Library Science (圖書館學) | 1776 | |