We publish and distribute all 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.
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.Read more about Classification Web
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).
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On one web page, see the range of products CDS packages and distributes as bibliographic databases, web-based subscription services for catalogers, and free downloads of selected publications.
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CDS Price ListDownload the Web Subscription Services & MARC Distribution Services Price List
Telephone Number Change
CDS's "toll-free in U.S." telephone number is now 1-855-266-1884.
LATEST EDITIONS, ISSUES & NEWS:
LC Classification Schedules A-Z package is no longer availableContact CDS customer service for the availability of individual printed class schedules
Library of Congress Transitions to Free, Online-Only Cataloging PublicationsRead the press release
Get the Most From RDA - in Cataloger's DesktopSee presentation now
Learn How to Use Tables in Class WebSee presentation now
Cataloger's Desktop Credit Card Payment Option When Renewing Your Subscription
Check Policy When Ordering from CDS
Print Product Update
News about changes in content delivery for selected print publications.
Read the latest MARC Distribution Services technical notice.
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