# Piotr Jaroszewicz

> Prime Minister of Poland from 1970 to 1980 (1909–1992)

**Wikidata**: [Q742189](https://www.wikidata.org/wiki/Q742189)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Piotr_Jaroszewicz)  
**Source**: https://4ort.xyz/entity/piotr-jaroszewicz


## References

1. Great Soviet Encyclopedia (1969–1978)
2. [Source](https://encyklopedia.pwn.pl/haslo/Jaroszewicz-Piotr;3917056.html)
3. Integrated Authority File
4. [Source](https://bs.sejm.gov.pl/F?func=find-acc&acc_sequence=000011489&find_code=SYS&local_base=ARS10)
5. [Source](http://mail.i-kf.pl/images/i-kf/download/F/Filatelista_1968_21.pdf)
6. [Source](http://www.ordens.presidencia.pt/?idc=154)
7. International Standard Name Identifier
8. Virtual International Authority File
9. [Source](http://www.calames.abes.fr/pub/#details?id=FileId-2931)
10. Freebase Data Dumps. 2013
11. Sejm-Wielki.pl
12. Bibliography of the History of the Czech Lands