This is the control number assigned by the organization creating, using, or distributing the record. An organization may move this number depending on the type of control number being used. For example, 010 for the Library of Congress Control Number (LCCN).
All definitions and tips are courtesy of the BestMARC cataloging tool.
This field contains the MARC code for the organization whose control number is contained in field 001. For example, DLC if the control number used is the LCCN.
All definitions and tips are courtesy of the BestMARC cataloging tool.