@misc{Luther_Martin_(1483-1546)_Epistola,
 author={Luther, Martin (1483-1546)},
 address={[Wittenberg]},
 howpublished={online},
 publisher={Lotter, Melchior (ca 1490-post 1544). Druk.},
 language={lat},
 title={Epistola Lvtheriana Ad Leonem Decimvm Svmmvm Pontificem ; Liber De Christiana Libertate, continens summam Christianæ doctrinæ [...] Recognitvs Wittembergae},
 keywords={Kolekcje Piastowskie, 16 w., protestantyzm, Reformacja},
}