# Otakar Mařák

> Czech opera singer (1872–1939)

**Wikidata**: [Q3498810](https://www.wikidata.org/wiki/Q3498810)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Otakar_Mařák)  
**Source**: https://4ort.xyz/entity/otakar-ma-k


## References

1. Regional Database of the Central Bohemian Research Library in Kladno
2. Czech National Authority Database
3. The Fine Art Archive
4. [Archiv hl. m. Prahy, Matrika zemřelých fary Podolí, sign. POD Z7, s. 97. Collection of Registry Books at Prague City Archives](https://katalog.ahmp.cz/pragapublica/permalink?xid=32a53de64b494d5687a8d77df75be28d&scan=100#scan100)
5. Integrated Authority File
6. Český hudební slovník osob a institucí
7. BillionGraves
8. International Standard Name Identifier
9. Faceted Application of Subject Terminology
10. Virtual International Authority File
11. MusicBrainz
12. BnF authorities
13. Encyclopedia of Brno History
14. Freebase Data Dumps. 2013
15. Virtual Study of Theatre Institute