@misc{Raabe_Wilhelm_La_1922,
 author={Raabe, Wilhelm and Wicke, Fritz},
 copyright={© Copyright by Katolicki Uniwersytet Lubelski Jana Pawła II},
 address={Leipzig},
 howpublished={online},
 year={1922},
 publisher={Ferdinand Hirt & Sohn, Esperanto-Fako},
 language={esp},
 title={La nigra galero.},
 keywords={Esperanto (język sztuczny)},
}