# Nikolay Ottokar

> Russian historian

**Wikidata**: [Q3876948](https://www.wikidata.org/wiki/Q3876948)  
**Source**: https://4ort.xyz/entity/nikolay-ottokar


## References

1. BnF authorities
2. Czech National Authority Database
3. [Source](http://viaf.org/viaf/data/viaf-20170101-links.txt.gz)
4. Virtual International Authority File
5. CiNii Research
6. [BnF authorities](http://data.bnf.fr/ark:/12148/cb12342007p)
7. Enciclopedia Treccani
8. Treccani's Enciclopedia on line
9. [LIBRIS. 2013](https://libris.kb.se/katalogisering/nl0387m62x7qwl3)