| A |
General Works |
| B |
Philosophy, Psychology, Religion |
| B - BJ |
Philosophy, Psychology |
| BL, BM, BP, BQ |
Religion: Religions, Hinduism, Judaism, Islam, Buddhism |
| BR - BV |
Religion: Christianity, Bible |
| BX |
Religion: Christian Denominations |
| C |
Auxiliary Sciences of History |
| D |
History: General and Old World |
| D - DJ |
History (General), History of Europe, Part 1 |
| DJK - DK |
History of Eastern Europe (General). Soviet Union, Poland |
| DL - DR |
History of Europe, Part 2 |
| DS |
History of Asia |
| DT - DX |
History of Africa, Australia, New Zealand, etc. |
| E - F |
History: America (Western Hemisphere) |
| G |
Geography, Maps, Anthropology, Recreation |
| H |
Social Sciences |
| H - HJ |
Social Sciences: Economics |
| HM - HX |
Social Sciences: Sociology |
| J |
Political Science |
| K |
Law |
| K |
Law (General) |
| KD |
Law of the United Kingdom and Ireland |
| KDZ, KG - KH |
Law of the Americas, Latin America and the West Indies |
| KE |
Law of Canada |
| KF |
Law of the United States |
| KJ - KKZ |
Law of Europe |
| KJV - KJW |
Law of France |
| KK - KKC |
Law of Germany |
| L |
Education |
| M |
Music and Books on Music |
| N |
Fine Arts |
| P |
Language and Literature |
| P |
General Philology and Linguistics |
| PA |
Classical Languages and Literatures |
| PB - PH |
Modern European Languages |
| PG |
Russian Literature |
| PJ |
Oriental Philology and Literature |
| PK |
Indo-Iranian Philology and Literature |
| PL - PM |
Languages of Eastern Asia, Africa, Oceania, Hyperborean, Indian, and Artificial Languages |
| PN, PR - PS, PZ |
General Literature, English and American Literature, Fiction in English, Juvenile belles lettres |
| PQ |
Romance Literatures |
| PT |
Germanic Literatures |
| Q |
Science |
| R |
Medicine |
| S |
Agriculture |
| T |
Technology |
| U |
Military Science |
| V |
Naval Science |
| Z |
Bibliography, Library Science |
