Guide : Library Classification System

Library materials are arranged according to the Library of Congress Classification system (LC). Each LC number represents a subject. The LC number makes up part of a call number that is labeled on library materials. The call number is a guide to finding materials in the library. 

Below is an example of a call number and what it means. 
For example: 

Title : 
Biology : the essentials by Marielle Hoefnagels

Call Number :
QH
315
H64
2013
C.1
Explanation : 
QH    - Represent the class for Biology subject
315    - Specific number for Essentials of biology subject
H64   - First three letters of the author’s surname, “Hoefnagels..." 
2013  - Book's publication year
C.1    - First copy of this title  
A -- GENERAL WORKS 
B -- PHILOSOPHY. PSYCHOLOGY. RELIGION 
C -- AUXILIARY SCIENCES OF HISTORY 
D -- WORLD HISTORY AND HISTORY OF EUROPE, ASIA, AFRICA, AUSTRALIA, NEW ZEALAND, ETC. 
E -- HISTORY OF THE AMERICAS 
F -- HISTORY OF THE AMERICAS 
G -- GEOGRAPHY. ANTHROPOLOGY. RECREATION 
H -- SOCIAL SCIENCES 
J -- POLITICAL SCIENCE 
K -- LAW 
L -- EDUCATION 
M -- MUSIC AND BOOKS ON MUSIC 
N -- FINE ARTS 
P -- LANGUAGE AND LITERATURE 
Q -- SCIENCE  
R -- MEDICINE 
S -- AGRICULTURE 
T -- TECHNOLOGY 
U -- MILITARY SCIENCE 
V -- NAVAL SCIENCE 
Z -- BIBLIOGRAPHY. LIBRARY SCIENCE. INFORMATION RESOURCES (GENERAL) 
  1. Library of Congress Classification (LC) Outline 
  2. Dewey Decimal Classification (DDC) Outline 
  3. Map LC to Dewey (DDC) Classification ​
  4. Map DDC to LC Classification
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MCKL Tan Sri Runme Shaw Library
Methodist College Kuala Lumpur
Off Jalan Tun Sambanthan 4, Brickfield, 50470 Kuala Lumpur, Malaysia
Tel :+603-2274 1851 (ext.302) 
Fax :+603-2273 6102
Last Updated : December 2018