# Persistent Uniform Resource Locator

> OCLC-designed persistent identifier scheme

**Wikidata**: [Q195305](https://www.wikidata.org/wiki/Q195305)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Persistent_uniform_resource_locator)  
**Source**: https://4ort.xyz/entity/persistent-uniform-resource-locator


## References

1. Freebase Data Dumps. 2013
2. [Source](https://blog.archive.org/2016/09/27/persistent-url-service-purl-org-now-run-by-the-internet-archive/)
3. [Source](http://data.loterre.fr/ark:/67375/TSO-SJ45BLDH-0)
4. FactGrid
5. Wikibase TDKIV