# Eduard Rudolf Petrák

> Czechoslovak pedagogue (1855-1931)

**Wikidata**: [Q90418231](https://www.wikidata.org/wiki/Q90418231)  
**Source**: https://4ort.xyz/entity/eduard-rudolf-petr-k


## References

1. Czech National Authority Database
2. [The Fine Art Archive](https://cs.isabart.org/person/88629)
3. [regional database of the  Research Library in Hradec Králové](https://www.svkhk.cz/tools/vyroci.asp?zobr=fulllist)
4. [Archiv hl. m. Prahy, Matrika zemřelých evangelické církve na Vinohradech, sign. EVIN Z1, s. 169. Collection of Registry Books at Prague City Archives](http://katalog.ahmp.cz/pragapublica/permalink?xid=59958265A7C24D5CA2DE6FE1089C3C02&scan=173#scan173)
5. The Fine Art Archive
6. Bibliography of the History of the Czech Lands