We publish and distribute all of the Library of Congress cataloging records and cataloging-related publications, tools, and resources. Whether you need web-based cataloging tools, cataloging records, or cataloging manuals, 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.
Read more about Classification WebCataloger's Desktop
More than 300 of the most important cataloging and metadata resources—available 24-7. Web-based subscription service. Free trial available.
Read more about Cataloger's Desktop
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
On one web page, see the range of products CDS packages and distributes: bibliographic databases, web-based subscription services for catalogers, cataloging-related print publications, and free downloads of selected publications.
Read more about all of our products
CDS Price List
Download the comprehensive CDS price listTelephone Number Change
CDS's "toll-free in U.S." telephone number is now 1-855-266-1884.
LATEST EDITIONS, ISSUES & NEWS:
Try Classification Web FREE for 30 days
Sign up for a one-time, 30-day free trialLC Classification Schedule J, Political Science (2012)
New edition now available-- Order your copy of Class Schedule J today!
LC Classification Schedule A, General Works (2012)
New edition now available-- Order your copy of Class Schedule A today!
Changes Coming for AACR2 Access in Cataloger's Desktop
Read about how AACR2 access may change for you in Cataloger's DesktopLCSH 34th Edition (2012)
The current edition -- Order LCSH 34 today!
Class Web Credit Card Payment Option Now Available
Check Policy When Ordering from CDS
Print Product Update
News about changes in content delivery for selected print publications.
MDS Technical Notices
Read the latest MARC Distribution Services technical notice.
CDS Customer Satisfaction Survey (CDS Survey).
Please take this brief survey to help us serve you better.