Table of Contents
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Should you come across older codes that are no longer valid, care should be exercised to update these codes to the relevant library that has subsumed the collection. For instance, the Grossman theses collection (previously coded gro) has been subsumed in the Harvard Library Archives, and the three character code should be changed to hua.
Fields to which this practice refers:
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Information that applies to unique manifestations (e.g., archival collections, manuscripts)
- Example: 561 1_ $$a Acquired from Bill Baird, 2015.
Please note:
- some units place this information in the holdings record, regardless of uniqueness.
- Use of $5 in some fields may cause the field to be stripped upon ingest from OCLC. Please see Alma Merging Algorithms and Protected Fields.
Specific types of information that apply to all instances of a manifestation
- Some restrictions on access
- Example: 506 1_ $$a Available to subscribing member institutions only.
- Example: 506 1_ $$a Available to subscribing member institutions only.
- Some reproduction notes
- Example: 533 __ $$a Print reproduction.
- Some restrictions on access
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NB: For complete instructions on use of individual fields, please see the MARC21 documentation.
506 Restrictions on Access Note
Bibliographic examples
- 506 1_ $$a Closed through 2024.
- 506 0_ $$a Collection is open for research.
Holdings examples
- 506 0_ $$a No restrictions on access copy. $$f Unrestricted online access $$2 star
- 506 1_ $$a Originals closed; use digital images.
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(For more information on the use of the 583 at Harvard, see Guidelines for use of 583 for conservation actions)