Main sections
This system is often favoured by academic libraries
A | GENERAL WORKS |
AC | Collections. Series. Collected works |
AE | Encyclopedias |
AG | Dictionaries and other general reference works |
AI | Indexes AM Museums. Collectors and collecting |
AN | Newspapers |
AP | Periodicals |
AS | Academies and learned societies |
AY | Yearbooks. Almanacs. Directories |
AZ | History of scholarship and learning. The humanities |
B | PHILOSOPHY. PSYCHOLOGY. RELIGION |
B | Philosophy (general) |
BC | Logic |
BD | Speculative philosophy |
BF | Psychology |
BH | Aesthetics |
BJ | Ethics |
BL | Religions. Mythology. Rationalism |
BM | Judaism |
BP | Islam. Bahaism. Theosophy, etc. |
BQ | Buddhism |
BR | Christianity |
BS | The Bible |
BT | Doctrinal theology |
BV | Practical theology |
BX | Christian denominations |
C | AUXILIARY SCIENCES OF HISTORY |
C | Auxiliary sciences of history (general) |
CB | History of civilization |
CC | Archaeology |
CD | Diplomatics. Archives. Seals |
CE | Technical chronology. Calendar |
CJ | Numismatics |
CN | Inscriptions. Epigraphy |
CR | Heraldry |
CS | Genealogy |
CT | Biography |
D | HISTORY: General and Old World |
D | History (general) |
DA | Great Britain |
DAW | Central Europe |
DB | Austria. Liechtenstein. Hungary. Czechoslovakia DC France. Andorra. Monaco |
DD | Germany |
DE | The Mediterranean Region. The Greco-Roman World |
DF | Greece |
DG | Italy. Malta |
DH | Netherlands (Low Countries) |
DJ | Netherlands (Holland) |
DJK | Eastern Europe |
DK | Russia. Soviet Union. Former Soviet Republics. Poland |
DL | Northern Europe. Scandinavia |
DP | Spain. Portugal |
DQ | Switzerland |
DR | Balkan Peninsula |
DS | History of Asia |
DT | History of Africa |
DU | History of Oceania (South Seas) |
DX | History of Gypsies |
E | HISTORY: AMERICA |
E11 | America |
E151 | United States |
F | HISTORY: AMERICA |
F1 | United States local history |
F1001 | British America. Canada Dutch America |
F1170 | French America |
F1201 | Latin America. Spanish America |
G | GEOGRAPHY. ANTHROPOLOGY. RECREATION |
G | Geography (general). Atlases. Maps |
GA | Mathematical geography. Cartography |
GB | Physical geography |
GC | Oceanography |
GE | Environmental Sciences |
GF | Human ecology. Anthropogeography |
GN | Anthropology |
GR | Folklore |
GT | Manners and customs (general) |
GV | Recreation. Leisure |
H | SOCIAL SCIENCES |
H | Social sciences (general) |
HA | Statistics |
HB | Economic theory. Demography |
HC | Economic history and conditions |
HD | Economic history and conditions |
HE | Transportation and communications |
HF | Commerce |
HG | Finance |
HJ | Public finance |
HM | Sociology (general) |
HN | Social history and conditions. Social problems. Social reform |
HQ | The family. Marriage. Women |
HS | Societies: secret, benevolent, etc. |
HT | Communities. Classes. Races |
HV | Social pathology. Social and public welfare. Criminology |
HX | Socialism. Communism. Anarchism |
J | POLITICAL SCIENCE |
J | general legislative and executive papers |
JA | Political science (general) |
JC | Political theory |
JF | Political institutions and public administration |
JK | Political institutions and public administration (United States) |
JL | Political institutions and public administration (other Americas) |
JN | Political institutions and public administration (Europe) |
JQ | Political institutions and public administration (Asia) |
JS | Local government. Municipal government |
JV | Colonies and colonization. Emigration and immigration. International migration |
JX | International law |
JZ | International relations |
K | LAW |
K | Law (general). Comparative and uniform law. Jurisprudence |
KD | Law of the United Kingdom and Ireland |
KE | Law of Canada |
KF | Law of the United States |
KG | Latin America (general) |
KH | South America (general) |
KJ | Europe |
KL | History of law. The ancient orient |
KLA | Eurasia |
KM | Asia |
KQ | Africa |
KU | Pacific Area |
KWX | Antarctica |
KZ | Law of nations |
KZA | Law of the sea |
KZD | Space law. Law of outer space |
L | EDUCATION |
L | Education (general) |
LA | History of education |
LB | Theory and practice of education |
LC | Special aspects of education |
LD | Individual institutions (United States) |
LE | Individual institutions. America (except United States) |
LF | Individual institutions (Europe) |
LG | Individual institutions (Asia, Africa, Indian Ocean islands, Australia, New Zealand, Pacific islands) |
LH | College and school magazines and papers |
LJ | Student fraternities and societies, United States |
LT | Textbooks |
M | MUSIC AND BOOKS ON MUSIC |
M | Music (general) |
ML | Literature on music |
MT | Musical instruction and study |
N | FINE ARTS |
N | Visual arts (general) |
NA | Architecture |
NB | Sculpture |
NC | Drawing. Design. Illustration |
ND | Painting |
NE | Print media |
NK | Decorative arts. Applied arts. Decoration and ornament |
NX | Arts in general |
P | LANGUAGE AND LITERATURE |
P | Philology. Linguistics |
PA | Classical philology. Greek philology and language. Medieval and modern Greek language. Latin philology and language. Classical literature. Greek literature. Byzantine and modern Greek literature. Roman literature. Medieval and modern Latin literature |
PB | Modern European languages |
PC | Romance languages |
PD | Germanic languages |
PE | English |
PF | West Germanic |
PG | Slavic. Baltic, Albanian languages and literature |
PH | Finno-Ugrian, Basque languages and literatures |
PJ | Oriental languages and literatures |
PK | Indo-Iranian PL Languages and literatures of Eastern Asia, Africa, Oceania PM Hyperborean, Indian, and Artificial languages |
PN | Literature (general) |
PQ | French literature. Italian literature. Spanish literature. Portuguese literature |
PR | English literature |
PS | American literature |
PT | Germanic literatures |
PZ | Fiction and juvenile belles lettres |
Q | SCIENCE |
Q | Science (general) |
QA | Mathematics |
QB | Astronomy |
QC | Physics |
QD | Chemistry |
QE | Geology |
QH | Natural history (general). Biology (general) |
QK | Botany |
QL | Zoology |
QM | Human anatomy |
QP | Physiology |
QR | Microbiology |
R | MEDICINE |
R | Medicine (general) |
RA | Public aspects of medicine |
RB | Pathology |
RC | Internal medicine |
RD | Surgery |
RE | Ophthalmology |
RF | Otorhinolaryngology |
RG | Gynecology and obstetrics |
RJ | Paediatrics |
RK | Dentistry |
RL | Dermatology |
RM | Therapeutics. Pharmacology |
RS | Pharmacy and materia medica |
RT | Nursing RV Botanic, Thomsonian, and eclectic medicine |
RX | Homeopathy |
RZ | Other systems of medicine |
S | AGRICULTURE |
S | Agriculture (general) |
SB | Plant culture |
SD | Forestry |
SF | Animal culture |
SH | Aquaculture. Fisheries. Angling |
SK | Hunting sports |
T | TECHNOLOGY |
T | Technology (general) |
TA | Engineering (general). Civil engineering (general) |
TC | Hydraulic engineering Ocean engineering |
TD | Environmental technology. Sanitary engineering |
TE | Highway engineering. Roads and pavements |
TF | Railroad engineering and operation |
TG | Bridge engineering |
TH | Building construction |
TJ | Mechanical engineering and machinery |
TK | Electrical engineering. Electronics. Nuclear engineering |
TL | Motor vehicles. Aeronautics. Astronautics |
TN | Mining engineering. Metallurgy |
TP | Chemical technology |
TR | Photography |
TS | Manufactures |
TT | Handicrafts. Arts and crafts |
TX | Home economics |
U | MILITARY SCIENCE |
U | Military science (general) |
UA | Armies: Organization, distribution, military situation |
UB | Military administration |
UC | Maintenance and transportation |
UD | Infantry |
UE | Cavalry. Armour |
UF | Artillery |
UG | Military engineering. Air forces. Air warfare. Military astronautics. Space warfare. Space surveillance |
UH | Other services |
V | NAVAL SCIENCE |
V | Naval science (general) |
VA | Navies: Organization, distribution, naval situation |
VB | Naval administration |
VC | Naval maintenance |
VD | Naval seamen |
VE | Marines |
VF | Naval ordnance |
VG | Minor services of navies |
VK | Navigation. Merchant marine |
VM | Naval architecture. Shipbuilding. Marine engineering |
Z | LIBRARY SCIENCE |
Z | Books (general). Writing. Paleography. Book industries and trade. Libraries. Bibliography |
ZA | Information resources (general) |