# Ludwig A. Pongratz

> German educationist

**Wikidata**: [Q1874131](https://www.wikidata.org/wiki/Q1874131)  
**Source**: https://4ort.xyz/entity/ludwig-a-pongratz


## References

1. [Source](http://viaf.org/viaf/data/viaf-20170101-links.txt.gz)
2. Virtual International Authority File
3. CiNii Research
4. Integrated Authority File
5. CONOR.SI