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We publish and distribute many of the Library of Congress cataloging records and cataloging-related tools and resources. Whether you need web-based cataloging tools or cataloging records in various formats, the Cataloging Distribution Service (CDS) provides the most current and authoritative bibliographic resources produced by the Library of Congress.
Classification Web
The only web-based subscription service that features the entire Library of Congress Classification and the complete Library of Congress Subject Headings and Name Headings. Updated daily. Free trial available.
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Cataloger's Desktop
More than 300 of the most important cataloging and metadata resources—available 24-7. Web-based subscription service. Free trial available.
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MARC Distribution Services
The premier source for Library of Congress bibliographic and authority records. Fourteen database services offered in hundreds of languages and distributed via FTP (file transfer protocol).
Read more about MARC Distribution Services
Product Categories
See the range of products CDS packages and distributes as bibliographic databases and web-based subscription services for catalogers.
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CDS Price List
Download the 2015 Web Subscription Services & MARC Distribution Services Price ListTelephone Number Change
CDS's "toll-free in U.S." telephone number is now 1-855-266-1884.
LATEST NEWS:
Changes to MDS-Serials File
Watch the 3 New Training Webinars on the Cataloger's Desktop New User Interface
Highlights of New Cataloger's Desktop User Interface
See highlights of the new interfaceCompare the New Cataloger's Desktop to the Old
Read the detailed comparisonUpdate on LC's Subject and Classification Documentation Plans
Read the announcementLearn How to Use Tables in Class Web
See presentation nowMDS Technical Notices
Read the latest MARC Distribution Services technical notice.
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