# Robert Christian van Ooyen

> German university teacher

**Wikidata**: [Q20242852](https://www.wikidata.org/wiki/Q20242852)  
**Source**: https://4ort.xyz/entity/robert-christian-van-ooyen


## References

1. BnF authorities
2. general catalog of BnF
3. Virtual International Authority File
4. Czech National Authority Database
5. Integrated Authority File
6. National Library of Israel Names and Subjects Authority File