Rules for descriptive cataloging in the Library of Congress / Phonorecords. - Library of Congress. Descriptive Cataloging Division; Library of Congress. Music Processing Committee; American Library Association. Descriptive Cataloging Committee; Library of Congress. Descriptive Cataloging Division (Washington : Descriptive Cataloging Division, Processing Dept., Library of Congress, 1964)
"The additions and changes ... were originally drafted by the Library's Music Processing Committee. The rules ... have the approval of the American Library Association through its agent for cataloging rules, the Descriptive Cataloging Committee"--P. iii.
"Provides only the additions and changes which must be made to the Rules for descriptive cataloging in the Library of Congress"--P. 1.
Keywords: Library of Congress. -- Descriptive Cataloging Division; Cataloging of sound recordings -- Rules; Descriptive cataloging -- Rules