# Hermann Otto Friedrich Hettich
**Wikidata**: [Q55911007](https://www.wikidata.org/wiki/Q55911007)  
**Source**: https://4ort.xyz/entity/hermann-otto-friedrich-hettich


## References

1. CERL Thesaurus
2. Czech National Authority Database
3. Catalog of the German National Library
4. [Source](http://thesaurus.cerl.org/record/cnp00337269)