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Dewey® Services

To order WebDewey:

Please mail or fax the appropriate printable order form. Use the order form for your country or region:

In Europe, the Middle East, India, and Africa please contact us at orders_emea@oclc.org.

To order Dewey Print-on-Demand:

If you prefer to have offline access to DDC, we have you covered there, too. We now offer a Dewey Print-on-Demand option. This 4-volume set will include the latest changes and topics available in the DDC and will be updated on a biannual basis with releases occurring in January and July moving forward.

Order Dewey Print-on-Demand

If you have any questions, please review the FAQ.


Contact us

  • Asia Pacific

    O: +1-614-764-6009

  • Australia and New Zealand

    T: 1300 260 795 (local call within Australia)
    O: +61 (0) 3 9929 0800

  • Canada

    T: 1-888-658-6583 (toll free in Canada)
    O: +1-450-656-8955

  • Europe, the Middle East and Africa

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  • Germany

    O: +49-(0)89-613 08 300

  • Latin America and the Caribbean

    O: +1-614-793-8682

  • Netherlands

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  • United Kingdom

    O: +44 (0)114 267 7500

  • United States

    T: 1-800-848-5878 (toll free in North America)

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The Dewey Decimal Classification (DDC) system is the world’s most widely used way to organize library collections. The DDC constantly updates to enable better discovery across any topic in multiple languages. Because the DDC is easy to use, you can increase the visibility of your materials quickly and efficiently.

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Recent news

The Dewey blog is a great source for news and views on classification issues as well as interesting and unusual DDC resources and curiosities. It's also a convenient way to share feedback directly to the DDC editors to help shape the future of the DDC.

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