# Gustav Eschmann
**Wikidata**: [Q60845116](https://www.wikidata.org/wiki/Q60845116)  
**Source**: https://4ort.xyz/entity/gustav-eschmann


## References

1. CERL Thesaurus
2. Catalog of the German National Library
3. [Source](http://thesaurus.cerl.org/record/cnp00674643)