# Adolf Kettner
**Wikidata**: [Q60815505](https://www.wikidata.org/wiki/Q60815505)  
**Source**: https://4ort.xyz/entity/adolf-kettner


## References

1. [REGO](https://aleph.vkol.cz/F/?func=find-c&ccl_term=sys=000001566&local_base=svk04)
2. Catalog of the German National Library
3. [Source](https://www.biographien.ac.at/oebl/oebl_K/Kettner_Adolf_1849_1932.xml)
4. Bibliography of the History of the Czech Lands
5. Czech National Authority Database