# Nikolay Kovalevsky

> Russian physiologist (1840-1891)

**Wikidata**: [Q4225365](https://www.wikidata.org/wiki/Q4225365)  
**Source**: https://4ort.xyz/entity/nikolay-kovalevsky


## References

1. Great Soviet Encyclopedia (1969–1978)
2. Esbye / Kovalyevskii Nikolai Osipovich
3. [Source](http://istmat.info/files/uploads/55542/1881_adres-kalendar_kazanskoy_gubernii.pdf)