@misc{Arendt_Otto_Offener,
 author={Arendt, Otto},
 howpublished={online},
 publisher={Walther & Apolant},
 language={ger},
 type={listy otwarte},
 title={Offener Brief an Ludwig Bamberger},
 keywords={Ludwig Bamberger (1823-1899), Niemcy 19w.},
}