# Adam Zakrzewski

> Polish scientist and Esperantist

**Wikidata**: [Q3605017](https://www.wikidata.org/wiki/Q3605017)  
**Source**: https://4ort.xyz/entity/adam-zakrzewski


## References

1. Czech National Authority Database
2. [web page](http://historia.org.pl/2015/01/15/jak-powstawala-legenda-stacha-konwy-bohatera-kurpiow/)
3. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
4. BnF authorities
5. Virtual International Authority File