# Nikolay Lange

> Russian psychologist (1858–1921)

**Wikidata**: [Q461449](https://www.wikidata.org/wiki/Q461449)  
**Source**: https://4ort.xyz/entity/nikolay-lange


## References

1. Great Soviet Encyclopedia (1969–1978)
2. Pedagogues and Psychologists of the World
3. Integrated Authority File
4. Virtual International Authority File