# Friedrich von Preen
**Wikidata**: [Q1463934](https://www.wikidata.org/wiki/Q1463934)  
**Source**: https://4ort.xyz/entity/friedrich-von-preen


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. International Standard Name Identifier
4. Virtual International Authority File
5. CERL Thesaurus
6. National Library of Israel Names and Subjects Authority File