| Class |
Subject |
| A |
|
GENERAL WORKS |
| B |
|
PHILOSOPHY, PSYCHOLOGY, RELIGION |
| |
B-BJ |
Philosophy, Psychology |
| |
BL-BX |
Religion |
| C |
|
AUXILIARY SCIENCES OF HISTORY |
| |
CT |
Biography |
| D |
|
HISTORY (Other than American) |
| E |
|
HISTORY - U.S. - General |
| F |
|
HISTORY - U.S. (Local), Canada, Latin America |
| G |
|
GEOGRAPHY, ANTHROPOLOGY, RECREATION |
| H |
|
SOCIAL SCIENCES |
| |
HA |
Statistics |
| |
HB |
Economic Theory |
| |
HC |
Economic History and Conditions : National Production and Economic Conditions by Country; Environmental Policy |
| |
HD |
Economic History and Conditions by Industry; Labor |
| |
HE |
Transportation and Communication |
| |
HF |
Commerce, Business and Management including Accountancy and Industrial Psychology |
| |
HG |
Finance including : Money, Banking, Investment, Insurance |
| |
HJ |
Public Finance including Taxation |
| |
HM |
Sociology |
| |
HM |
Social History and Conditions, Social Problems, Social Reform |
| |
HQ |
Social Groups : Family, Marriage, Woman |
| |
HV |
Social Pathology, Social and Public Welfare, Criminology |
| J |
|
POLITICS AND GOVERNMENT |
| |
JX & KZ |
International Law |
| K |
|
Law (General) |
| |
KD |
Law of the United Kingdom and Ireland |
| |
KE |
Law of Canada |
| |
KF |
Law of the United States |
| |
KNN |
Law of China (pre-PRC) |
| |
KNP |
Law of Taiwan |
| |
KNQ |
Law of PRC |
| |
KNR & KYQ |
Law of Hong Kong |
| |
KU & KYT |
Law of Australia and New Zealand |
| L |
|
EDUCATION |
| |
LB |
Theory and Practice of Education : Teaching, Teacher Training, School Administration
and Organization |
| M |
|
MUSIC |
| N |
|
FINE ARTS |
| P |
|
LANGUAGE AND LITERATURE |
| |
PL |
Language and Literature of Eastern Asia, Africa, Oceania |
| |
PR |
English Literature |
| |
PS |
American Literature (General works on translations are classed : PN241) |
| Q |
|
SCIENCE - GENERAL |
| |
QA |
Mathematics, Computing Science (Software) |
| |
QB |
Astronomy |
| |
QC |
Physics |
| |
QD |
Chemistry |
| |
QE |
Geology |
| |
QH |
Natural History - General, Biology - General, Ecology |
| |
QK |
Botany |
| |
QL |
Zoology |
| |
QM |
Human Anatomy |
| |
QP |
Physiology |
| |
QR |
Microbiology |
| R |
|
MEDICINE |
| S |
|
AGRICULTURE |
| T |
|
ENGINEERING AND TECHNOLOGY |
| |
TA |
Civil Engineering |
| |
TD |
Environmental Technology |
| |
TE |
Highway Engineering, Roads and Pavements |
| |
TF |
Railroad Engineering and Operation |
| |
TG |
Bridge Engineering |
| |
TH |
Building Construction |
| |
TJ |
Mechanical Engineering |
| |
TK |
Electrical Engineering, Electronics, Computing Science (Hardware) |
| |
TP |
Chemical Technology |
| |
TR |
Photography |
| |
TS |
Manufactures |
| U |
|
MILITARY SCIENCE |
| V |
|
NAVAL SCIENCE |
| Z |
|
BIBLIOGRAPHY AND LIBRARY SCIENCE |