# Jan Bętkowski

> Polish educator, educational activist, lexicographer

**Wikidata**: [Q18236463](https://www.wikidata.org/wiki/Q18236463)  
**Source**: https://4ort.xyz/entity/jan-b-tkowski


## References

1. Integrated Authority File
2. [Source](http://tnk.krakow.pl/czlonkowie/betkowski-jan/)
3. NUKAT
4. MAK