@misc{Ackner_M._J._[List,
 author={Ackner, M. J.},
 address={Hamersdorf},
 howpublished={online},
 language={ger},
 type={text},
 title={[List do J. D. F. Neigebaura - Neigebaur 1]},
 keywords={Enrich Europeana Plus, correspondence},
}