@misc{Tyszkiewicz_Jan_(1939–_)_Pismo_1987,
 author={Tyszkiewicz, Jan (1939– )},
 volume={30},
 editor={Institute of History of the Polish Academy of Sciences},
 copyright={Rights Reserved - Free Access},
 journal={Studia Źródłoznawcze},
 address={Warszawa ; Poznań},
 howpublished={online},
 year={1987},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 title={Pismo sułtana Murada III do Zygmunta III z roku 1591 w sprawie Tatarów litewskich},
 type={Text},
 URL={http://rcin.org.pl/ihpan/Content/28529/PDF/WA303_40776_B88-SZ-R-30-1987_Tyszkiewicz.pdf},
 keywords={Murad III (Ottoman Turkish ; 1546-1596), Sigismund III Vasa (King of Poland and Sweden ; 1566-1632), Tatars - Lithuania (Grand Duchy) - history, Turkey - foreign relations - Poland - 16th c., Poland - foreign relations - Turkey - 16th c., historiography - Poland - 20th c.},
}