Library of Congress. Information Systems Office.

• Format recognition process for MARC records
• MARC manuals used by the Library of Congress
• Marc pilot project
• A preliminary report on the MARC (Machine-Readable Catalog) pilot project
• Books, a MARC format
• History of the Information Systems Office
• Maps
• Maps, a MARC format
• Maps, a MARC format
• MARC manuals used by the Library of Congress
• MARC manuals used by the Library of Congress
• National Serials Data Program, phase I