@misc{Kritz_Jus._Fried._[Korespondencja,
 author={Kritz, Jus. Fried.},
 address={Erfurt},
 howpublished={online},
 language={ger},
 title={[Korespondencja Friedricha Haasego - Haase 590]},
 type={text},
 keywords={Enrich Europeana Plus, correspondence},
}