@misc{Dittmar_Heinrich_(1792-1866)_Historya,
 author={Dittmar, Heinrich (1792-1866)},
 howpublished={online},
 publisher={Warszawa : Drukarnia Józefa Ungra},
 language={pol},
 type={książka},
 title={Historya powszechna w skróconym zarysie},
 keywords={Historia powszechna},
}