The Library of Congress is the maintenance agency for this value list.  Questions and requests for information should be sent to:  Network Development and MARC Standards Office, Library of Congress, 101 Independence Avenue, S.E., Washington, DC 20540-4402; Fax: +1-202-707-0115; Internet: ndmso@loc.gov.  Requests for additions to the value list should include an explanation and justification.

See also:

Introduction