# Adolf Koppmann
**Wikidata**: [Q55908156](https://www.wikidata.org/wiki/Q55908156)  
**Source**: https://4ort.xyz/entity/adolf-koppmann


## References

1. Czech National Authority Database
2. CERL Thesaurus
3. Catalog of the German National Library
4. Österreichisches Biographisches Lexikon 1815–1950
5. Virtual International Authority File
6. [Source](http://thesaurus.cerl.org/record/cnp01297959)