0XX Numbers and Codes (Variable Data Fields)
Definition and Scope:
Fields 010 - 030 contain standard numbers that support the linking of a separate holdings record to the related USMARC bibliographic record. Field 035 contains a system control number of a system other than the one whose separate holdings record control number is contained in field 001 (Control Number for Related Bibliographic Record).
010 Library of Congress control number (NR)
020 International Standard Book Number (NR)
022 International Standard Serial Number (NR)
024 Standard recording number (NR)
027 Standard Technical Report Number (NR)
See also:
