# Ludwig Keilhack

> German ichthyologist (1884-1914/15)

**Wikidata**: [Q21395319](https://www.wikidata.org/wiki/Q21395319)  
**Source**: https://4ort.xyz/entity/ludwig-keilhack


## References

1. Integrated Authority File
2. [Source](http://www.denkmalprojekt.org/2013/buch_vl-der-dt-schutztruppe-in-kamerun_1914-1916.html)
3. Czech National Authority Database
4. Catalog of the German National Library
5. [Source](https://www.zobodat.at/pdf/Zoologische-Annalen_3_0177-0184.pdf)
6. [Source](http://www.denkmalprojekt.org/2020/vl_gd-gren-5-offiziere_wk1.html)
7. Virtual International Authority File