# Anna Libera
**Wikidata**: [Q9155386](https://www.wikidata.org/wiki/Q9155386)  
**Source**: https://4ort.xyz/entity/anna-libera


## References

1. Integrated Authority File
2. Czech National Authority Database
3. [Source](http://viaf.org/viaf/data/viaf-20170101-links.txt.gz)
4. Virtual International Authority File
5. NUKAT
6. [Österreichisches Biographisches Lexikon 1815–1950](https://www.biographien.ac.at/oebl/oebl_L/Libera_Anna-Barbara_1805_1885.xml)
7. MAK
8. FactGrid
9. Sejm-Wielki.pl