# Friedrich Ferdinand Adolph Sack
**Wikidata**: [Q55910690](https://www.wikidata.org/wiki/Q55910690)  
**Source**: https://4ort.xyz/entity/friedrich-ferdinand-adolph-sack


## References

1. Integrated Authority File
2. CERL Thesaurus
3. Catalog of the German National Library
4. [Source](http://thesaurus.cerl.org/record/cnp00918401)