@misc{_Letters_2020,
 volume={121},
 editor={Polska Akademia Nauk. Komitet Nauk Historycznych},
 editor={Polska Akademia Nauk. Instytut Historii im. Tadeusza Manteuffla},
 copyright={Creative Commons Attribution BY-ND 4.0 license},
 address={Warszawa},
 journal={Acta Poloniae Historica},
 journal={Acta Poloniae Historica},
 howpublished={online},
 year={2020},
 publisher={Instytut Historii PAN},
 language={eng},
 type={Text},
 title={Letters to the editors},
 keywords={Poland - history - periodicals},
}