@misc{Zacher_Ernst_Julius_August_[Korespondencja,
 author={Zacher, Ernst Julius August},
 address={Halle},
 howpublished={online},
 language={ger},
 type={text},
 title={[Korespondencja Friedricha Haasego - Haase 1010]},
 keywords={Enrich Europeana Plus, correspondence},
}