@misc{Niebuhr_Carsten_(1733-1815)_2,
 author={Niebuhr, Carsten (1733-1815)},
 howpublished={online},
 title={2 Briefe an Jean Enschede, 1773, Brief an Kästner, 1773, Brief o. A., 1802},
 type={rękopis},
 keywords={autografy},
}