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001 Record identifier
| Mandatory: | yes | 
| Repeatable: | no | 
| Please note: | Do not edit this field manually. | 
Field Definition and Scope
The CERL thesaurus record identification number is a unique identifier (substitute of ISADN). The identifier consists of a three letter prefix, indicating the type of entity described and a 8 digit number.
Application of Content Designators
This field does not have indicators or subfields.
Input Conventions
Currently, the following prefixes are used:
| caf | CERL abbreviatura fontis (Reference Works) | 
| cni | CERL nomen imprimatoris etc. (Printers, Publishers, Booksellers etc.) | 
| cnc | CERL nomen corporationis (Corporate bodies) | 
| cnl | CERL nomen loci (Places) | 
| cnp | CERL nomen personae (Persons) | 
Mapping
Example
- 001 cnl00000719


