# Johannes Hassenpflug
**Wikidata**: [Q1697631](https://www.wikidata.org/wiki/Q1697631)  
**Source**: https://4ort.xyz/entity/johannes-hassenpflug


## References

1. Integrated Authority File
2. Catalog of the German National Library
3. [Source](https://www.lagis-hessen.de/en/subjects/rsrec/sn/bio/register/person/entry/dalwigk%2Bzu%2Bschauenburg%252C%2Bmarie%2Bvon%252C%2Bgeb.%2Bhassenpflug)
4. [Source](https://www.lagis-hessen.de/en/subjects/rsrec/sn/bio/register/person/entry/dresen%252C%2Bmarie%2Bmagdalena)
5. CERL Thesaurus
6. FactGrid