@misc{Theile_J.C_._[Korespondencja,
 author={Theile J.C .},
 address={Leipzig},
 howpublished={online},
 language={ger},
 type={text},
 title={[Korespondencja Friedricha Haasego - Haase 927]},
 keywords={Enrich Europeana Plus, correspondence},
}