# Clayton A. Hartjen
**Wikidata**: [Q131694789](https://www.wikidata.org/wiki/Q131694789)  
**Source**: https://4ort.xyz/entity/clayton-a-hartjen


## References

1. Virtual International Authority File
2. National Library of Israel Names and Subjects Authority File
3. Trove
4. datos.bne.es
5. NUKAT