# Ignacy Schiper

> Polish historian (1884-1943)

**Wikidata**: [Q445101](https://www.wikidata.org/wiki/Q445101)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ignacy_Schiper)  
**Source**: https://4ort.xyz/entity/ignacy-schiper


## References

1. International Standard Name Identifier
2. Virtual International Authority File
3. CiNii Research
4. Integrated Authority File
5. Open Library
6. Faceted Application of Subject Terminology
7. Österreichisches Biographisches Lexikon 1815–1950
8. Internetowy Polski Słownik Biograficzny
9. NUKAT
10. Bibliography of the History of the Czech Lands
11. MAK
12. [Österreichisches Biographisches Lexikon 1815–1950](https://www.biographien.ac.at/oebl/oebl_S/Schiper_Ignacy_1884_1943.xml)
13. Sejm-Wielki.pl