@misc{Hase_Charles_Benoît_(1780-1864)_Brief,
 author={Hase, Charles Benoît (1780-1864) and Humboldt, Alexander von (1769-1859)},
 howpublished={online},
 language={ger},
 language={gre},
 title={Brief von Charles Benoît Hase an Alexander von Humboldt},
 type={rękopis},
 keywords={rękopisy},
}