Just for future reference, the Library of Congress maintains the documentation of the MARC21 standard; for bib record documentation, start here: http://www.loc.gov/marc/bibliographic/ It's not always easy reading, but as a systems librarian (and not a cataloger!) I find it indispensable. Paul. On Mon, Aug 06, 2018 at 04:22:02PM +0500, Hira Akram wrote:

Hi All, Can you please tell me what is filled in field 003 of MARC21 format?

I have searched this on internet and this is what I found : MARC code for the organization whose control number is contained in field 001.

I am unable to understand this. Can anyone help.

Thanks

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