@misc{Hildebrand_Bruno_(1812–1878)_[Korespondencja,
 author={Hildebrand, Bruno (1812–1878)},
 address={Berlin},
 howpublished={online},
 language={ger},
 title={[Korespondencja Friedricha Haasego - Haase 458]},
 type={text},
 keywords={Enrich Europeana Plus, correspondence},
}