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I have made this presentation for my students of MS in Library and Information Science at DRTC, Indian Statistical Institute, Bangalore

Text of Dewey decimal classification

  • Dewey Decimal Classification (DDC)Class on Classification Practice

    bySudipta Biswas

    DRTCIndian Statistical InstituteBangalore20/08/2014

  • DDC (General Information) Worlds most widely used library classification systemMore then 135 countries use DDCDDC numbers are featured in the national bibliographies of more then 60 countriesDDC has been translated into over 30 languagesE.g. Arabic, Chinese, French, German, GreekDDC is maintained in a national bibliographic agency, Library of CongressDDCs basic classes are organized by disciplines or fields of studyA subject may appear in more than one class

  • DDC (Background)Melville Dewey devised the system in 1873 while he was a student atAmherstCollegeinMassachusettsFirst published in 1876. as A Classification and Subject Index for Cataloguing and Arranging the Books and Pamphlets of a Library.It appeared in the form of a small book of 44 pages. The Decimal Classification Editorial Policy Committee (EPC) was established in 1937. In 1988, Online Computer Library Centre (OCLC) acquired the DDC. The editorial headquarters was located at the Library of Congress in the Decimal Classification Division. DDC is published by Online Computer Library Centre, in full and abridged editions.The abridged edition targets the general libraries having less than 20,000 titles.Both the full and abridged editions are available in print as well as in electronic version.

  • Melvil Dewey Melville Louis Kossuth Dewey Dewey was born in Adams Centre, New YorkBorn in 10 December, 1851His intense interest in simplified spelling caused him to once change his name Melvil Dui Established the American Library Association in 1876 Co-founded and edited Library Journal Died 26 December, 1931 at age 80

  • The cavemans Guide to the DDCDDC groups books by topic by dividing them into 10 basic categories, and each of those categorises is further split into 10 categories, and so on

    It has been explained that he devised the system by imagining himself as a prehistoric or primitive man or a caveman and asked himself question he believed such a man would ask

  • 000 (General) Before I Begin Information I need to know before I begin

    These are books which contain information on many subjects

    Such as encyclopaedias and other reference books

  • 100 (Philosophy) Who am I ? Man thinks about himself

  • 200 (Religion) Who made me ? Man thinks about his Creator

  • 300 (Social Science) Who is the man/woman in the next cave ? Man thinks about other people

  • 400 (Language) How can I make that man/woman Understand me ? Man learns to communicate with others through words and sign

  • 500 (Science) How can I understand nature and the world around me ? Man learn to understand the nature of air, land, and sea

  • 600 (Applied Science) How can I use what I know about nature ? Primitive man learn about fire and how to make weapons; over time, he also learn about the wheel, medicine, planting crops, cooking food, building useful structures, and how to make things to ease our burdens

  • 700 (Fine Arts and Recreation) How can I enjoy my leisure time ?As time passes, man learns about painting pictures, creating music, as well as dancing to music, playing games, sports, and hunting

  • 800 (Literature) How can I give my children a record of mans heroic does ?Man become a storyteller; he creates sagas, fables, epics, poems, plays about relatives, friends and characters; he writes for others to read, learn and enjoy

  • 900 (History, Geography and Biography) How can I leave a record for people of the future ?Man writes about what happened, where it happened, and who made it happen

  • Understanding the Structure of DDCDDC system uses simple decimal notation to divide recorded knowledge into 10 main classes at the broadest levelwhich together cover the entire world of knowledge

    Each main class is further divided into 10 divisions

    Each division into 10 sections giving 100 divisions and 1000 sections

    All the numbers for the divisions and sections have not been used

  • TablesT1 Standard SubdivisionsT2 Geographic Areas, Historical Periods, PersonsT3 Subdivisions for the Arts, for Individual Literatures, for Specific Literary FormsT4 Subdivisions of Individual Languages and Language FamiliesT5 Ethnic and National GroupsT6 Languages

    (The notation from T1can be added to any numbers unless there is an instruction in the schedules or tables to the contrary. The other table notations may be added only when instructions are given in the schedules or tables)

  • Introduction to 22nd Edition of DDCDDC 22 is composed of the following major parts in four volumes.Volume 1: It includes special features of edition 22, introduction regarding how to use the DDC, glossary, index to the introduction and glossary, a manual (guide to the use of the DDC), and six numbered tables. It also has the lists that compare editions 21 and 22 with the list of relocated, discontinued and reused numbersVolume 2: It includes DDC summaries (the top three levels of the DDC), and schedules (from 000-599). The summaries will help you to visualize at a glance the structure and scope of various subjects as laid down in DDC.Volume 3: It includes the organization of knowledge schedules from 600-999Volume 4: It includes a relative index. The relative index (it relates subjects to discipline) contains an alphabetical list of subjects with the disciplines in which they are treated as sub-arranged alphabetically under each entry

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