@misc{Humboldt_Alexander_von_(1769-1859)_Brief,
 author={Humboldt, Alexander von (1769-1859) and Sédillot, Louis-Amélie (1808-1875)},
 howpublished={online},
 language={fre},
 type={rękopis},
 title={Brief von Louis-Amélie Sédillot an Alexander von Humboldt},
 keywords={rękopisy},
}