@misc{Nieznany_Que,
 author={Nieznany and Humboldt, Alexander von (1769-1859)},
 howpublished={online},
 language={ger},
 language={fre},
 type={rękopis},
 title={Que est la Epidemia de Vomito mas antigua en Veracruz (Incipit der Unterlage)},
 keywords={rękopisy},
}