Guidelines for Usage: 01X-09X Numbers and Codes [General Information]

NACO LSP Usage:

Alternate Graphic Representation:

Records containing alternate graphic representation fields are not within the scope of the present NACO LSP project.

Do not use subfield $6 (Linkage) in the following fields:

020 International Standard Book Number

022 International Standard Serial Number

035 System Control Number

050 Library of Congress Call Number

083 Dewey Decimal Classification Number

Subfield $6 has not been implemented in the LC system.

LC Usage:

LC does not use alternate graphic representation fields in authority records.

For more information on LC Guidelines, select:

Guidelines for Usage: NACO/LSP and LC

To return:

Use the key.