@misc{Jantzen_Hermann_(1874-1933)_Ostpreussische,
 author={Jantzen, Hermann (1874-1933)},
 address={Königsberg},
 howpublished={online},
 publisher={J. H. Bon's Verlag},
 language={ger},
 type={książka},
 title={Ostpreussische Sagen},
}