@misc{Ryba_Janusz_Jana_2021,
 author={Ryba, Janusz},
 number={2},
 copyright={Rights Reserved - Free Access},
 address={Warszawa},
 howpublished={online},
 year={2021},
 publisher={Instytut Badań Literackich Polskiej Akademii Nauk},
 language={pol},
 language={eng},
 title={Jana Potockiego kłopoty z pocztą},
 type={Text},
 URL={http://www.rcin.org.pl/Content/231745/PDF/WA248_253041_P-I-30_ryba-jana_o.pdf},
 keywords={Jan Potocki, Maria Potocka, née Rzewuska, letter, post office},
}