# Ludwik Janiszewski

> Polish sociologist

**Wikidata**: [Q16573110](https://www.wikidata.org/wiki/Q16573110)  
**Source**: https://4ort.xyz/entity/ludwik-janiszewski


## References

1. [Source](https://bj.uj.edu.pl/zasoby-cyfrowe/biogramy/biogram?id=22711)
2. Polish Science
3. [Source](https://nauka-polska.pl/#/profile/research?id=71151)
4. Virtual International Authority File
5. Faceted Application of Subject Terminology
6. NUKAT
7. MAK