# Wilhelm IV, Duke of Bavaria

> Duke of Bavaria

**Wikidata**: [Q60936](https://www.wikidata.org/wiki/Q60936)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/William_IV,_Duke_of_Bavaria)  
**Source**: https://4ort.xyz/entity/wilhelm-iv-duke-of-bavaria


## References

1. Catalog of the German National Library
2. International Standard Name Identifier
3. Virtual International Authority File
4. Freebase Data Dumps. 2013
5. CERL Thesaurus
6. Sejm-Wielki.pl
7. HMML Authority File