# Gustav Heinrich Ayrer
**Wikidata**: [Q60838562](https://www.wikidata.org/wiki/Q60838562)  
**Source**: https://4ort.xyz/entity/gustav-heinrich-ayrer


## References

1. Integrated Authority File
2. CERL Thesaurus
3. Catalog of the German National Library
4. [Source](http://thesaurus.cerl.org/record/cnp01091919)
5. FactGrid