# Otto Ladendorf

> German educationist (1873-1911)

**Wikidata**: [Q2039701](https://www.wikidata.org/wiki/Q2039701)  
**Source**: https://4ort.xyz/entity/otto-ladendorf


## References

1. Integrated Authority File
2. Czech National Authority Database
3. International Standard Name Identifier
4. Virtual International Authority File
5. BnF authorities