Canons of Library Canons of Library ClassificationClassification

ByBy

Bhupendra Ratha, LecturerBhupendra Ratha, LecturerSchool of Library and Information Science School of Library and Information Science

Devi Ahilya University, IndoreDevi Ahilya University, IndoreEmail: Email: bhu261@gmail.combhu261@gmail.com

Canons of library classificationCanons of library classification

The first used of “Canons of library The first used of “Canons of library classification” by W C B Sayers then many classification” by W C B Sayers then many library science professionals tried to library science professionals tried to development of Canons of library classification development of Canons of library classification such as E C Richardson, H E Bliss etc. In the such as E C Richardson, H E Bliss etc. In the 1937 criticized the canons of library 1937 criticized the canons of library classification by Dr. Ranganathan in his book classification by Dr. Ranganathan in his book “Prolegomena to library classification”.“Prolegomena to library classification”.

Groups of CanonsGroups of Canons

Canons of CharacteristicCanons of Characteristic Canons of array of classesCanons of array of classes Canons of Chain of classesCanons of Chain of classes Canons of Filiatory sequenceCanons of Filiatory sequence Canons of TerminologyCanons of Terminology Canons of NotationCanons of Notation

Canons of characteristicsCanons of characteristics

Classification should be according to characteristics Classification should be according to characteristics of things, concepts and Substance.of things, concepts and Substance.

DifferentiationDifferentiation ConcomitanceConcomitance RelevanceRelevance AscertainabilityAscertainability Permanence Permanence Relevant sequenceRelevant sequence ConsistencyConsistency

DifferentiationDifferentiation

Efficiency should be available for the Efficiency should be available for the classification of some thing.classification of some thing.

For ex: Students For ex: Students

UG PG

Science

Arts

Commerce

Physicschemistry

Science

ConcomitanceConcomitance

Two characteristics should not use for a facet Two characteristics should not use for a facet or subject.or subject.

For ex: DOB and AgeFor ex: DOB and Age

Ist Edition and Publication dateIst Edition and Publication date

RelevanceRelevance

Every characteristic should be related to Every characteristic should be related to objective of classification.objective of classification.

For ex: English languageFor ex: English language

French languageFrench language

AscertainabilityAscertainability

Every characteristics should fully ascertain.Every characteristics should fully ascertain.

For ex LiteratureFor ex Literature

PermanencePermanence

Every characteristics should be permanence Every characteristics should be permanence whenever do not change in objective of whenever do not change in objective of classification.classification.

For ex. Changing the name of Periodical time to For ex. Changing the name of Periodical time to time.time.

Relevant sequenceRelevant sequence

Characteristics of classification scheme should Characteristics of classification scheme should be use to objective of classification in relevant be use to objective of classification in relevant sequence.sequence.

For ex: In Literature For ex: In Literature

MC+Lang+form+time+workMC+Lang+form+time+work

MC+Lang+form+author+workMC+Lang+form+author+work

ConsistencyConsistency

In the scheme should be use of some In the scheme should be use of some permanent characteristics according to their permanent characteristics according to their sequence.sequence.

For ex:For ex:

O[P],[P2][P3],[P4]O[P],[P2][P3],[P4]

Canons of Array of ClassesCanons of Array of Classes

The array of class called to arranged sequence of The array of class called to arranged sequence of class according to their importance. class according to their importance.

ExhaustivenessExhaustiveness ExclusivenessExclusiveness Helpful sequenceHelpful sequence Consistent sequenceConsistent sequence

ExhaustivenessExhaustiveness

In this canons the arrangement of other things.In this canons the arrangement of other things. For ex:For ex:

Non Christian religious 290Non Christian religious 290

other languages 490other languages 490

Literature of other lang. 890Literature of other lang. 890

ExclusivenessExclusiveness

Exclusiveness should be available in the Exclusiveness should be available in the classes or subclasses.classes or subclasses.

For ex:For ex:

worldworld

Asia Europe Africa North America South America

Helpful sequenceHelpful sequence

In any array of classes arrangement of class or In any array of classes arrangement of class or sub-class should be in helpful sequence.sub-class should be in helpful sequence.

Helpful order within the groups of subjects.Helpful order within the groups of subjects.

Consistent sequenceConsistent sequence

Canons of Chain of ClassesCanons of Chain of Classes

Decreasing extension Decreasing extension ModulationModulation

Decreasing extensionDecreasing extension

For ex:For ex: AsiaAsia 44 India India 4444 M.P.M.P. 44554455

ModulationModulation

World World World World Europe Europe Great Britain Great Britain Great Britain Great Britain EnglandEngland London LondonLondon London

Canons of Filiatory sequenceCanons of Filiatory sequence

Subordinate classSubordinate class Co-ordinate classCo-ordinate class

Subordinate classSubordinate class

Asia Asia 55

India India 5454

Western India Western India 547547

Gujarat Gujarat 54755475

Co-ordinate classCo-ordinate class

World World

Asia Africa Europe

Canons of TerminologyCanons of Terminology

CurrencyCurrency ReticenceReticence EnumerativeEnumerative ContextContext

CurrencyCurrency

Use of recent or current words in classification Use of recent or current words in classification scheme. scheme.

ReticenceReticence

Use of words should not criticized in Use of words should not criticized in classification scheme.classification scheme.

For ex: In the 14For ex: In the 14thth ed of DDC use the “minor” ed of DDC use the “minor” word for some authors.word for some authors.

EnumerativeEnumerative

Description of every enumerative words in Description of every enumerative words in classification scheme classification scheme

For ex: Philosophy and psychology For ex: Philosophy and psychology

in DDC or CCin DDC or CC

ContextContext

Context should be given for word that use in Context should be given for word that use in different main class.different main class.

For ex: InsuranceFor ex: Insurance

TaxTax

TextileTextile

Canons of NotationCanons of Notation

It should be decide that which type notation It should be decide that which type notation use for classification. use for classification.

RelativityRelativity ExpressivenessExpressiveness Mixed notationMixed notation

RelativityRelativity

Representation of every symbol.Representation of every symbol.

For ex: The particular symbols for five For ex: The particular symbols for five fundamental categories in Colon Classification fundamental categories in Colon Classification such assuch as

[P][P] ,, [E] [E] ::

[M][M] ;; [S] [S] ..

[T][T] ‘‘

ExpressivenessExpressiveness

Expressiveness should be for every facet.Expressiveness should be for every facet.

For ex: Treatment of lungs in IndiaFor ex: Treatment of lungs in India

L45:4:6.44L45:4:6.44

Mixed notationMixed notation

Mixed notation should be use in classification.Mixed notation should be use in classification.