@misc{Neufeld_Carl_(1856–1918)._Autor_In_1910,
 author={Neufeld, Carl (1856–1918). Autor and Verlag Wilhelm Spemann. Wydawca},
 copyright={Public Domain},
 address={Berlin},
 address={Stuttgart},
 howpublished={online},
 year={1910},
 publisher={Verlag von W. Spemann},
 language={ger},
 title={In Ketten des Kalifen : zwölf Jahre Gefangenschaft in Omdurman},
 type={Text},
 URL={http://www.rcin.org.pl/igipz/Content/116952/PDF/WA51_140697_PAN4067-1910_In-Ketten.pdf},
 keywords={prisons, prisoner's relation, Sudan, Omdurman},
}