# Theodor Hemsen
**Wikidata**: [Q55909209](https://www.wikidata.org/wiki/Q55909209)  
**Source**: https://4ort.xyz/entity/theodor-hemsen


## References

1. CERL Thesaurus
2. Catalog of the German National Library
3. [Source](http://thesaurus.cerl.org/record/cnp01080897)