# Leon Kruczkowski

> Polish writer (1900-1962)

**Wikidata**: [Q1542851](https://www.wikidata.org/wiki/Q1542851)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Leon_Kruczkowski)  
**Source**: https://4ort.xyz/entity/leon-kruczkowski


## References

1. Integrated Authority File
2. Great Soviet Encyclopedia (1969–1978)
3. Virtual International Authority File
4. BnF authorities
5. [Source](https://bs.sejm.gov.pl/F?func=find-acc&acc_sequence=000012130&find_code=SYS&local_base=ARS10)
6. The Fine Art Archive
7. International Standard Name Identifier
8. CiNii Research
9. Encyclopædia Britannica Online
10. filmportal.de
11. Brockhaus Enzyklopädie
12. Czech National Authority Database
13. Internetowy Polski Słownik Biograficzny
14. e-teatr.pl
15. Academy of Arts, Berlin
16. Freebase Data Dumps. 2013
17. Sejm-Wielki.pl
18. Virtual Study of Theatre Institute
19. Bibliography of the History of the Czech Lands