@misc{Prel_Karl_(1839–1899)_Spirytyzm,
 author={Prel Karl (1839–1899)},
 copyright={Biblioteka Raczyńskich},
 howpublished={online},
 publisher={Zukerkandl Wilhelm},
 language={pol},
 type={monografia},
 title={Spirytyzm},
 keywords={spirytyzm},
}