Colon classification

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Colon classification (CC) is a system of library classification developed by S. R. Ranganathan. It was the first ever faceted (or analytico-synthetic) classification. It is especially used in libraries in India.

Its name "Colon classification" comes from the use of colons to separate facets in class numbers. However, many other classification schemes, some of which are completely unrelated, also use colons and other punctuation in various functions. They should not be confused with Colon classification.

As an example, the subject "research in the cure of tuberculosis of lungs by x-ray conducted in India in 1950" results in a call number

L,45;421:6;253:f.44'N5

The components of this call number represent

Medicine,Lungs;Tuberculosis:Treatment;X-ray:Research.India'1950

Contents

Organization

The Colon Classification uses 42 main classes that are combined with other letters, numbers and marks in a manner reminiscent of the Library of Congress Classification to sort a publication.

Facets

CC uses five primary categories, or facets to further specify the sorting of a publication collectively called 'PMEST'.

, personality
 ; matter or property
 : energy
. space
' time

Classes

The following are the main classes of CC, with some subclasses, the main method used to sort the subclass using the PMEST scheme and examples showing application of PMEST.

A Generalia
1 Universe of Knowledge
2 Library Science
3 Book Science
4 Journalism
B Mathematics
B1 Arithmetic
B13 Theory of Numbers
B2 Algebra
B23 Algebraic Equations
B25 Higher Algebra
B3 Analysis
B33 Differential Equations [equation] , [degree] , [order] : [problem]
B331,1,2:1 Numerical solutions (:1) of ordered (331) linear (,1) second order (,2) differential equations
B37 Real Variables
B38 Complex Variables
B4 Other Methods
B6 Geometry
B7 Mechanics
B8 Physico-Mathematics
B9 Astronomical Mathematics
C Physics
C1 Fundamentals of Physics
C2 Properties of Matter
C3 Sound
C4 Heat
C5 Light and Radiation
C6 Electricity
C7 Magnetism
C8 Cosmic Hypothesis
D Engineering
E Chemistry
F Technology
G Biology
H Geology
HX Mining
I Botany
J Agriculture
L Medicine
LZ3 Pharmacology
LZ5 Pharmacopoeia
M Useful arts
Ð Spiritual experience and mysticism
N Fine arts
NA Architecture [style] , [utility] , [part] : [technique]
ND Sculpture [style] , [figure] ; [material] : [technique]
NN Engraving
NQ Painting [style] , [figure] ; [material] : [technique]
NR Music [style] , [music] ; [instrument] : [technique]
O Literature
P Linguistics
Q Religion
R Philosophy
S Psychology
T Education
U Geography
V History
W Political science
X Economics
Y Sociology
Z Law

See also

de:Colon-Klassifikation it:Classificazione Colon

External links

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