@misc{Ludwig_I_wielki_książę_Hessen-Darmstadt_[List,
 author={Ludwig I, wielki książę Hessen-Darmstadt},
 address={Darmstadt},
 howpublished={online},
 language={ger},
 type={text},
 title={[List do J. D. F. Neigebaura - Neigebaur 124]},
 keywords={Enrich Europeana Plus, correspondence},
}