# Johann Theodor Caspars
**Wikidata**: [Q55915053](https://www.wikidata.org/wiki/Q55915053)  
**Source**: https://4ort.xyz/entity/johann-theodor-caspars


## References

1. CERL Thesaurus
2. Catalog of the German National Library
3. MAK
4. [Source](http://thesaurus.cerl.org/record/cnp00573461)