Subscriber's guide to the subject heading file
Subtitle: specifications for magnetic tapes containing subject headings in the MARC II format (7th edition and July 1964-December 1965 supplement combined).
Contributors: Library of Congress. Information Systems Office.
Publisher: [Library of Congress]
Published: 1968
Place of publication: Washington, D.C
Language: eng
Number of pages: 15
Subjects: Library of Congress. -- Subject Cataloging Division.; MARC formats -- United States; Subject cataloging -- Automation.
Notes: At head of title: Library of Congress, Information Systems Office.