# Otakar Keller

> Czech physician

**Wikidata**: [Q59623629](https://www.wikidata.org/wiki/Q59623629)  
**Source**: https://4ort.xyz/entity/otakar-keller


## References

1. Czech National Authority Database
2. A small dictionary of Czech non-Catholic religious figures of the 20th and 21st centuries
3. [Český bratr](http://www.digitalniknihovna.cz/mzk/uuid/uuid:ae545d50-d97e-11e6-9e7e-001018b5eb5c)
4. Register of registered legal entities maintained by the Ministry of Culture