@misc{Koenigsberger_Leo_(1837-1921)_[List,
 author={Koenigsberger, Leo (1837-1921)},
 address={Heidelberg},
 howpublished={online},
 language={ger},
 type={text},
 title={[List do Otto Lummera - Lum. 124]},
 keywords={Enrich Europeana Plus, correspondence},
}