# Leonard Sowiński

> Polish author and historian (1831–1887)

**Wikidata**: [Q1819036](https://www.wikidata.org/wiki/Q1819036)  
**Source**: https://4ort.xyz/entity/leonard-sowi-ski


## References

1. Czech National Authority Database
2. general catalog of BnF
3. Sejm-Wielki.pl
4. Virtual International Authority File
5. International Music Score Library Project
6. BnF authorities
7. Internetowy Polski Słownik Biograficzny