# William George Haag
**Wikidata**: [Q111025602](https://www.wikidata.org/wiki/Q111025602)  
**Source**: https://4ort.xyz/entity/william-george-haag


## References

1. IdRef
2. Integrated Authority File
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
4. Open Library
5. Faceted Application of Subject Terminology
6. Prabook