# Philipp Franz Heffner
**Wikidata**: [Q55902059](https://www.wikidata.org/wiki/Q55902059)  
**Source**: https://4ort.xyz/entity/philipp-franz-heffner


## References

1. CERL Thesaurus
2. Catalog of the German National Library
3. [Source](http://thesaurus.cerl.org/record/cnp00391600)