| A list of subject classification
codes organized by Reading Room |
| |
| Social
Sciences |
| BF | Psychology |
| G - GF | Geography |
| GN | Anthropology |
| GR | Folklore |
| GV | Recreation, Leisure, Sport, Dance |
| H | Social Sciences |
| HA | Statistics |
| HB-HD | Economics |
| HE | Transportation, Communications |
| HF | Commerce, Business Management, Marketing |
| HG-HJ | Finance, Taxation |
| HM | Sociology (General) |
| HN | Social History, Social Problems, Social Reform |
| HQ | Family, Marriage, Women, Sexual Life, Children, Youth,
Gerontology |
| HS | Societies: Secret, Benevolent, etc. |
| HT | Communities, Classes, Races |
| HV | Social Pathology, Social and Public Welfare, Social Work,
Criminology |
| HX | Socialism, Communism, Anarchism |
| J-JQ | Political Science |
| JS | Local Government |
| JV | Colonization, Emigration & Immigration |
| JX-JZ | International Law, International Relations |
| K-KZ | Law |
| L | Education (General) |
| LA | History of Education |
| LB | Theory and Practice of Education |
| LC | Sociology of Education, Religious Education, Special Education,
Values Education |
| LD-LT | Individual Educational Institutions, Textbooks |
| RA-RJ | Medicine, Psychiatry, Public Health |
| | |
| Humanities |
| A | General Works |
| AC | Collections, Series, Collected Works |
| AE | Encyclopedias |
| B | Philosophy |
| BC | Logic |
| BD | Metaphysics, Theory of Knowledge (Epistomology) |
| BL | Religion, Mythology, Rationalism |
| BM | Judaism |
| BP | Islam, Bahaism, Theosophy |
| BR-BX | Christianity |
| BS | Tanakh, Christian Bible |
| C | Auxiliary Sciences of History |
| CC | Archaeology |
| CD | Diplomatics, Archives, Seals |
| CS | Genealogy |
| CT | Biographies |
| D | History |
| DA | Great Britain |
| DB | Austria, Liechtenstein, Hungary, Czechoslovakia, Czech Republic,
Slovakia |
| DC | France, Andorra, Monaco |
| DD | Germany |
| DE | Greco-Roman World |
| DF | Greece |
| DG | Italy, Malta |
| DH | Low Countries, Benelux Countries |
| DJ | Netherlands |
| DJK | Eastern Europe |
| DK | Russia, Soviet Union, Former Soviet Republics,
Poland |
| DL | Northern Europe, Scandinavia |
| DP | Spain, Portugal |
| DQ | Switzerland |
| DR | Balkan Peninsula, Bulgaria, Romania, Turkey |
| DS | Asia, Middle East, Israel, Diaspora Jewry |
| DT | Africa |
| DU | Oceania, Australia, New Zealand |
| E-F | United States, Canada, Central America, South
America |
| M | Music |
| N | Fine Arts, Visual Arts |
| NA | Architecture |
| NB | Sculpture |
| NC | Drawing, Design, Illustration |
| ND | Painting |
| NE | Print Media, Printmaking and Engraving |
| NK | Decorative Arts, Religious Art |
| NX | Arts in general |
| P | Language, Literature, Communication |
| PA | Greek and Latin Language and Literature |
| PB | Modern Languages, Celtic Languages |
| PC | Romance Languages |
| PD | Germanic Languages, Scandinavian Languages |
| PE | English Language |
| PF | West German Languages |
| PG | Slavic Languages, Baltic, Albanian |
| PH | Uralic Languages, Basque |
| PJ | Hebrew, Yiddish and Arabic Language and Literature |
| PK | Indo-Iranian Languages and Literature |
| PL | Languages and Literatures of Eastern Asia, Africa and
Oceania |
| PN | Literature, Journalism |
| PQ | French Literature, Italian Literature, Spanish Literature,
Portuguese Literature |
| PR | English Literature |
| PS | American Literature |
| PT | German Literature, Dutch Literature, Flemish Literature, Afrikaans
Literature, Scandinavian Literature |
| U | Military Science |
| V | Naval Science |
| | |
| Sciences |
| Q | Science |
| QA | Mathematics, Computer Science |
| QB | Astronomy |
| QC | Physics |
| QD | Chemistry |
| QE | Geology |
| QH | Biology |
| QK | Botany |
| QL | Zoology |
| QM | Human Anatomy |
| QP | Physiology |
| QR | Microbiology |
| R | Medicine |
| RK-RZ | Medical Specialties |
| S | Agriculture |
| | |
| Engineering |
| T | Technology |
| TA | Engineering (General), Civil Engineering |
| TC | Hydraulic Engineering, Ocean Engineering |
| TD | Environmental Engineering, Sanitary Engineering |
| TE | Highway Engineering, Roads and Pavements |
| TF | Railroad Engineering |
| TG | Bridge Engineering |
| TH | Building Construction |
| TJ | Mechanical Engineering, Machinery |
| TK | Electrical Engineering, Electronics, Nuclear
Engineering |
| TL | Motor Vehicles, Aeronautics, Astronautics |
| TN | Mining Engineering, Metallurgy |
| TP | Chemical Engineering |
| TR | Photography |
| TS | Manufactures: Operations Management, Metalworking, Wood, Textiles,
Rubber, Grains, Tobacco Industry |
| | |
