- Subject Authorities (database)
- Computer file
- MARC records for subject headings established by LC. Available in MARC 21 and MARCXML formats.
Documentation Provided with This MDS Service:
* MARC 21 Format for Authority Data
* MARC 21 Specifications for Record Structure, Character Sets, and Exchange Media
* MARC 21 Code List for Geographic Areas
* MARC 21 Code List for Relators, Sources, and Description Conventions
Check the latest Technical Notices for MDS services.
2013 Subscription: Available weekly. Approximately 7,500 records; including 4,000 new records.
2013 Price: $2,990
Retrospective: 1986-2012. 412,000 records. File size: 198 MB. Avg. record length: 480 bytes.
2013 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.