- Subject Authorities (database)
- Computer file
- MARC records for subject headings established by LC. Available in MARC 21 and MARCXML formats.
Check the latest Technical Notices for MDS services.
2015 Subscription: Available weekly. Approximately 9,500 records; including 3,500 new records.
2015 Price: $2,990
Retrospective: 1986-2014. 415,000 records. File size: 202 MB. Avg. record length: 486 bytes.
2015 Price: $1,525
Introduction to MARC Distribution Services (databases)
Library of Congress cataloging records are available via FTP (File Transfer Protocol) delivery. Records are for materials in hundreds of languages, including non-roman alphabets in original scripts. MDS provides national level cataloging for almost all English-language imprints.