# Leonid Breitfuß

> Russian naturalist (1864-1950)

**Wikidata**: [Q121641](https://www.wikidata.org/wiki/Q121641)  
**Source**: https://4ort.xyz/entity/leonid-breitfu


## References

1. BnF authorities
2. Czech National Authority Database
3. [Source](https://opac.nebis.ch/F/469GQTPVRFSQE4SV5K375V8K985C7V4CPL953ANFMI4FVAIIHF-04847?func=full-set-set&set_number=074973&set_entry=000076&format=999)
4. International Standard Name Identifier
5. Virtual International Authority File
6. [BnF authorities](http://data.bnf.fr/ark:/12148/cb15330185g)