# Ferdinand Kölgen
**Wikidata**: [Q55904112](https://www.wikidata.org/wiki/Q55904112)  
**Source**: https://4ort.xyz/entity/ferdinand-k-lgen


## References

1. [regional database of the Regional Library of Highlands](https://tritius.kkvysociny.cz/authority/1096946)
2. CERL Thesaurus
3. Catalog of the German National Library
4. Österreichisches Biographisches Lexikon 1815–1950
5. Czech National Authority Database
6. [Österreichisches Biographisches Lexikon 1815–1950](https://www.biographien.ac.at/oebl/oebl_K/Koelgen_Ferdinand_1824_1911.xml)
7. [Source](http://thesaurus.cerl.org/record/cnp01180133)