# Jaroslav Kolman Cassius

> Czech writer, journalist and poet (1883-1951)

**Wikidata**: [Q22930376](https://www.wikidata.org/wiki/Q22930376)  
**Source**: https://4ort.xyz/entity/jaroslav-kolman-cassius


## References

1. The Fine Art Archive
2. Regional Database of the Central Bohemian Research Library in Kladno
3. [regional database of the  Research Library in Hradec Králové](https://www.svkhk.cz/tools/vyroci.asp?zobr=fulllist)
4. [regional database of the Municipal Library of Hradec Kralove](https://kmhk.tritius.cz/authority/1855352)
5. Czech National Authority Database
6. CONOR.SI
7. Bibliography of the History of the Czech Lands