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1. Concept Authority fields have been grouped as follows
- Concepts (repeatable in Ver. 2.4)
- Citations (repeatable)
- Additional Concept Term Sources (repeatable)
- Hierarchy - (Hierarchical relationships)
- Other Relationships (Associative relationships - implementation TBD)
2. A Concept Term Source Unique ID field has been added to hold alphanumeric term identifiers used by the cited reference work (e.g. AAT term ids, LCSH ids, ICONCLASS ids, etc.)
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