# Ferdinand Protzman
**Wikidata**: [Q55990244](https://www.wikidata.org/wiki/Q55990244)  
**Source**: https://4ort.xyz/entity/ferdinand-protzman


## References

1. Faceted Application of Subject Terminology
2. [Source](http://bnb.data.bl.uk/id/person/ProtzmanFerdinand)