# Gustav Gruss

> Czech astronomer

**Wikidata**: [Q15830108](https://www.wikidata.org/wiki/Q15830108)  
**Source**: https://4ort.xyz/entity/gustav-gruss


## References

1. [The Fine Art Archive](https://cs.isabart.org/person/125120)
2. [regional database of the  Research Library in Hradec Králové](https://www.svkhk.cz/tools/vyroci.asp?zobr=fulllist)
3. [Collection of Registry Books at Prague City Archives](http://katalog.ahmp.cz/pragapublica/permalink?xid=433CA95832554C60BA56F83DC620530B&scan=151#scan151)
4. Czech National Authority Database
5. Catalog of the German National Library
6. Virtual International Authority File
7. [Source](http://kramerius.mzk.cz/search/i.jsp?pid=uuid:13a25130-e3b4-11e3-b2fc-001018b5eb5c)