@misc{_De,
 howpublished={online},
 publisher={Loeperia Officina},
 language={lat},
 type={starodruk},
 title={De Slavis Lecho Czechoqve Item de Veris Zichis Anni cIↄIↄCCLXXI},
 keywords={Jabłonowski, Józef Aleksander (1711-1777), Słowianie, etnogeneza, etnografia},
}