# Friedrich Adolph Klien
**Wikidata**: [Q4223837](https://www.wikidata.org/wiki/Q4223837)  
**Source**: https://4ort.xyz/entity/friedrich-adolph-klien


## References

1. Catalog of the German National Library
2. [Source](http://saebi.isgv.de/gnd/141121025)
3. CERL Thesaurus