LC-PCC policy statements for abridger agent of
LC/PCC practice: Record this element using a structured description, identifier, IRI, or valid combination thereof. Do not use an unstructured description. See Metadata Guidance documents for more detailed instructions, including LC/PCC requirements for recording certain categories of relationship elements in metadata description sets.
Recording an unstructured description
Recording a structured description
Recording an identifier
LC/PCC practice: If recording an identifier for the related entity, also record a structured description of the related entity.
Recording an IRI
Document Date: 2021/04/26