@misc{Wiszewski_Przemysław_The,
 author={Wiszewski, Przemysław},
 howpublished={online},
 publisher={Pracownia Badań nad Dziejami Zakonów i Kongregacji Kościelnych "Larhcor"},
 language={eng},
 title={The Effigies of the Blessed Virgin Mary or Saints on the Medieval Seals of Silesian Cities and Towns (since the 13th to the Middle of the 16th Century)},
 keywords={"Leopoldina online", 13 w., 14 w., 15 w., 16 w.},
}