# Károly Haggenmacher
**Wikidata**: [Q1032498](https://www.wikidata.org/wiki/Q1032498)  
**Source**: https://4ort.xyz/entity/k-roly-haggenmacher


## References

1. Catalog of the German National Library
2. [Source](https://epa.oszk.hu/00000/00003/00030/adattar.html)
3. [Source](https://epa.oszk.hu/00000/00003/00030/nevmutato.html)
4. Deutsche Biographie