MARC 670 Source Data Found
MARC Field 670 in the authority format contains a citation for a consulted source in which information is found related in some manner to the entity represented by the authority record or related entities. It may also include the information found in the source.
Commonly-used tags
Indicators
Undefined
Subfield codes
ǂa Source citation (NR) ǂb Information found (NR) ǂu Uniform Resource Identifier (R)
Policy and formulation
Electronic resources
- In general, avoid the use of URIs unless 1) it is necessary to identify the resource and/or 2) it is a permalink.
- Prefer the wording viewed on' plus the date to indicate that an electronic resource is being cited
- Specific resources
- VIAF: give the permalink to the VIAF cluster or an individual authority record as appropriate