 A General Works (總類) | 661 | |
| B Philosophy. Psychology. Religion (哲學、心理學、宗教 ) | 10159 | |
| C Auxiliary Sciences of History (歷史學及相關科學) | 606 | |
| D History: General and Old World (古代史及世界各國史,美洲歷史除外) | 4746 | |
| E History: America (美洲歷史) | 1564 | |
| F History: America (美洲歷史) | 870 | |
| G Geography. Anthropology. Recreation (地理學、人類學、娛樂 ) | 5640 | |
| H Social Sciences (社會科學) | 49850 | |
| J Political Science (政治學) | 5626 | |
| K Law (法律 ) | 4804 | |
| L Education (教育) | 8414 | |
| M Music and Books on Music (音樂) | 1358 | |
| N Fine Arts (美術 ) | 5925 | |
| P Philology and Literature (語言學、文學) | 25993 | |
| Q Science (科學) | 73687 | |
| R Medicine (醫學) | 22649 | |
| S Agriculture (農業) | 2503 | |
| T Technology (科技) | 47034 | |
| U Military Science (軍事科學) | 629 | |
| V Naval science (海軍學 ) | 167 | |
| Z Library Science (圖書館學) | 1953 | |