# Konstantin Leontiev

> Russian philosopher (1831-1891)

**Wikidata**: [Q542090](https://www.wikidata.org/wiki/Q542090)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Konstantin_Leontiev)  
**Source**: https://4ort.xyz/entity/konstantin-leontiev


## References

1. BnF authorities
2. Integrated Authority File
3. International Standard Name Identifier
4. Virtual International Authority File
5. CiNii Research
6. Freebase Data Dumps. 2013
7. Treccani's Enciclopedia on line
8. Source
9. LIBRIS. 2012
10. Bibliography of the History of the Czech Lands