@misc{Wernic_Henryk_(1829-1905)_Historya,
 author={Wernic, Henryk (1829-1905)},
 howpublished={online},
 publisher={Warszawa : M. Arct},
 language={pol},
 type={książka},
 title={Historya powszechna. Cz. 2, Wieki średnie},
 keywords={Historia - Europa - 5-15 w.},
}