Variable fields in the Name Authority Record: Notes (6XX)  663 – Complex see-also The 663 will continue to be used in the case of persons with multiple-pseudonyms  667 – Cataloger's Note The 667 will be used to convey information with regard to the re-coding of existing NARs for RDA Example:  667 ## $a This heading cannot be used under RDA until it has been updated
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