# Karl Otto Schmidt

> German Esperantist and writer (1904–1977)

**Wikidata**: [Q100849](https://www.wikidata.org/wiki/Q100849)  
**Source**: https://4ort.xyz/entity/karl-otto-schmidt


## References

1. Integrated Authority File
2. BnF authorities
3. Czech National Authority Database
4. Virtual International Authority File
5. Babelio
6. [BnF authorities](http://data.bnf.fr/ark:/12148/cb126382028)