Official German DDC homepage

• Dewey-Dezimalklassifikation (ddc.deutsch)

 Official DDC homepage

• Dewey Decimal Classification

Introductions to the DDC (overview, use, notational system)

German introductions to the DDC

• Introduction to Dewey Decimal Classification (Full reprint from volume 1 of DDC 22)
  (pdf, 191 KB, 37 pages)
   
• Umlauf, Konrad: Einführung in die bibliothakrische Klassifikationstheorie und -praxis. Kapitel 3.1 Die DK und die DDC (Berliner Handreichungen zur Bibliothekswissenschaft 67. Berlin: Institut für Bibliothekswissenschaft der Humboldt-Universität zu Berlin 1999-2002)
  (html file, 237 KB, in German only)

Introductions by OCLC (Online Computer Library Center)

• Multimedia Tour of the Dewey Decimal Classification

Introductions by American libraries/university libraries

• Middle Tennessee State University (Introduction to the DDC, intended for children)
  
  
• The University of Texas at Austin (Playful introduction to the DDC, intended for children and adults)

• Wiegand, Wayne A.: The "Amherst Method": The origins of the Dewey Decimal Classification Scheme.
  Published in Libraries & Culture 33 (1998) 2, p. 175-195.
  (pdf, 84 KB)

DDC "How-To" literature (tutorials and exercises)

• Mortimer, Mary: Learn Dewey Decimal Classification (Edition 22) First North American Edition (Library Education Series) Total Recall Publications Inc; 22 edition, 2007
   
• Mona L. Scott: Dewey Decimal Classification (Dewey Decimal Classification: A Study Manual & Number Building Guide) Libraries Unlimited; 22 edition, 2005
   
• Dewey Decimal Classification: A Practical Guide / Lois Mai Chan u.a. - 2. Aufl. - Albany, NY: Forest Press, 1996
   
• Middletown Thrall Library: Test your knowledge of the Dewey Decimal System
  Quiz where you have to enter the appropriate DDC-number for a given subject.
   
   
• 025.431: The Dewey blog
  The official weblog maintained by the DDC editorial staff. If you want keep up to date with the latest or weirdest topics and what DDC numbers they concern, this is the best site to visit!

Current uses of the DDC

DDC numbers in library online catalogs and databases

• Online catalog of the German National Library
  DDC numbers are shown in the title data. Direct search for DDC-indexed documents is possible by entering "ddc=" in the search field, e.g. "ddc=796.092". MelvilSearch enables the user to search for specific DDC numbers or to browse the DDC hierarchies to get to the subject of interest. The number of literature indexed by the specific DDC number is displayed together with the class.
   
• DeweyBrowser
  A beta version online catalog by OCLC. Allows for DDC searches in various ways: by DDC numbers, keywords, LC subject headings as well as by DDC main classes, divisions and sections when using the word cloud function on top of the page.
   
• LoC (Library of Congress) online catalog
   
  
• GBV Union Catalogue
  DDC-classified literature having the same DDC number than the title displayed can be found within the title data by following the link in the category "Further documents".

Web catalogs / Subject gateways using Dewey

• Canadian Information by Subject
   
• BUBL LINK

• CyberDewey
   
• Dewey Browse

DDC in other web applications

• dewey.info
  Dewey.info is an experimental space for linked DDC data. The initial data set available is a linked data version of the DDC Summaries in eleven languages. The intention of the dewey.info prototype is to be a platform for Dewey data on the Web.

• DeweyDigger
  DeweyDigger allows for an explorative access to web search on the base of the DDC main classes. After entering a main class, a more specific subject can be chosen from a word cloud as well as the search engine to conduct the search.

DDC Funstuff

Literature

• Kurzweil, Allen: The grand complication: A novel. Hyperion, 2001. 360 p.
  ISBN 0786866039 (in English)
   
• Kurzweil, Allen: Die Leidenschaften eines Bibliothekars . Luchterhand, 2002.
  368 S.
  ISBN 3630871232 (in German)
  
  
• Carr, Josephine: The Dewey Decimal System of Love. NAL, 2003. 272 p.
  ISBN 0451209710
  Reviews about this romance can be found at the pages of Amazon or thebestreviews.

Multimedia

• DDC screensaver (OCLC)
  

Miscellaneous

• Librarian Action Figure. A librarian as an action doll. Her weapon of choice: the DDC. An article on the development of this action figure was published by the Seattle Times.
  
  
• Library Hotel in New York. Each of the ten guestroom floors of this luxury hotel is dedicated to one of the main classes of the DDC. Each room is furnished with books and art relevant to the specific topic.
  
  
• DDC 21 Contest
  (Top ideas for repurposing old copies of the DDC 21 now that DDC 22 has been published, winning entries from a contest announced by OCLC)

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