# perpetual copyright

> copyright that lasts indefinitely

**Wikidata**: [Q7169548](https://www.wikidata.org/wiki/Q7169548)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Perpetual_copyright)  
**Source**: https://4ort.xyz/entity/perpetual-copyright


## References

1. [Source](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap)
2. National Library of Israel Names and Subjects Authority File