# Heinrich Joseph Paul de Ahna
**Wikidata**: [Q95301067](https://www.wikidata.org/wiki/Q95301067)  
**Source**: https://4ort.xyz/entity/heinrich-joseph-paul-de-ahna


## References

1. Integrated Authority File
2. [Source](https://gw.geneanet.org/frebault?lang=de&pz=henri&nz=frebault&p=heinrich+joseph+paul&n=de+ahna)
3. [Source](https://matrikel.adbk.de//matrikel/mb_1884-1920/jahr_1891/matrikel-00802)
4. Deutsche Biographie
5. Catalog of the German National Library