@misc{Burckhardt_Jacob_(1818-1897)_Die,
 author={Burckhardt, Jacob (1818-1897)},
 howpublished={online},
 publisher={Verlag von E. U. Seemann},
 language={ger},
 type={książka},
 title={Die Zeit Constantins des Grossen},
 keywords={Rzym (państwo)},
}