@misc{Boeckh_August_[Korespondencja,
 author={Boeckh, August},
 address={Friedrichrode},
 howpublished={online},
 language={ger},
 type={text},
 title={[Korespondencja Friedricha Haasego - Haase 37]},
 keywords={Enrich Europeana Plus, correspondence},
}