List of MARC 21 fields for holdings data Revision as of 11:40, 6 May 2014 by DeborahLeslie (talk | contribs) (Created page)(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff) This article is currently a draft. This is a guide page with links to cataloging instructions entered by their corresponding MARC fields MARC 852 Location MARC 866 Textual Holdings--Basic Bibliographic Unit Categories: DescriptionStaff policies and procedures