# Wolfgang Erhardt
**Wikidata**: [Q55897045](https://www.wikidata.org/wiki/Q55897045)  
**Source**: https://4ort.xyz/entity/wolfgang-erhardt-q55897045


## References

1. CERL Thesaurus
2. Catalog of the German National Library
3. [Source](http://thesaurus.cerl.org/record/cnp01079548)